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Finding the Fourth Proportional to 27,162.87, 37,484.72 and 15,226.22

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Solution

The fourth proportional to 27,162.87, 37,484.72 and 15,226.22 is: 21,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162.87 : 37,484.72 = 15,226.22 : x
  2. Step 2: Convert to fraction form
    27,162.87/37,484.72 = 15,226.22/x
  3. Step 3: Cross multiply
    27,162.87x = 37,484.72 × 15,226.22
  4. Step 4: Simplify right side
    27,162.87x = 570,750,329.80
  5. Step 5: Solve for x
    x = 570,750,329.80/27,162.87
  6. Step 6: Final answer
    x = 21,012.15

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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.