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Finding the Fourth Proportional to 27,162.65, 37,483.74 and 15,226.76

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Solution

The fourth proportional to 27,162.65, 37,483.74 and 15,226.76 is: 21,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162.65 : 37,483.74 = 15,226.76 : x
  2. Step 2: Convert to fraction form
    27,162.65/37,483.74 = 15,226.76/x
  3. Step 3: Cross multiply
    27,162.65x = 37,483.74 × 15,226.76
  4. Step 4: Simplify right side
    27,162.65x = 570,755,912.88
  5. Step 5: Solve for x
    x = 570,755,912.88/27,162.65
  6. Step 6: Final answer
    x = 21,012.53

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Half scale
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Double scale
Find fourth proportional to 27,163.65, 37,485.12 and 15,227.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.