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Finding the Fourth Proportional to 27,483.67, 37,927.47 and 15,546.75

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Solution

The fourth proportional to 27,483.67, 37,927.47 and 15,546.75 is: 21,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483.67 : 37,927.47 = 15,546.75 : x
  2. Step 2: Convert to fraction form
    27,483.67/37,927.47 = 15,546.75/x
  3. Step 3: Cross multiply
    27,483.67x = 37,927.47 × 15,546.75
  4. Step 4: Simplify right side
    27,483.67x = 589,648,799.40
  5. Step 5: Solve for x
    x = 589,648,799.40/27,483.67
  6. Step 6: Final answer
    x = 21,454.52

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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.