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Finding the Fourth Proportional to 60,013.71, 90,020.52 and 18,460.71

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Solution

The fourth proportional to 60,013.71, 90,020.52 and 18,460.71 is: 27,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,013.71 : 90,020.52 = 18,460.71 : x
  2. Step 2: Convert to fraction form
    60,013.71/90,020.52 = 18,460.71/x
  3. Step 3: Cross multiply
    60,013.71x = 90,020.52 × 18,460.71
  4. Step 4: Simplify right side
    60,013.71x = 1,661,842,713.77
  5. Step 5: Solve for x
    x = 1,661,842,713.77/60,013.71
  6. Step 6: Final answer
    x = 27,691.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.