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Finding the Fourth Proportional to 27,581, 38,062.08 and 15,006.02

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Solution

The fourth proportional to 27,581, 38,062.08 and 15,006.02 is: 20,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581 : 38,062.08 = 15,006.02 : x
  2. Step 2: Convert to fraction form
    27,581/38,062.08 = 15,006.02/x
  3. Step 3: Cross multiply
    27,581x = 38,062.08 × 15,006.02
  4. Step 4: Simplify right side
    27,581x = 571,160,333.72
  5. Step 5: Solve for x
    x = 571,160,333.72/27,581
  6. Step 6: Final answer
    x = 20,708.47

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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.