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Finding the Fourth Proportional to 60,047.55, 90,022.71 and 25,013.43

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Solution

The fourth proportional to 60,047.55, 90,022.71 and 25,013.43 is: 37,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,047.55 : 90,022.71 = 25,013.43 : x
  2. Step 2: Convert to fraction form
    60,047.55/90,022.71 = 25,013.43/x
  3. Step 3: Cross multiply
    60,047.55x = 90,022.71 × 25,013.43
  4. Step 4: Simplify right side
    60,047.55x = 2,251,776,755.00
  5. Step 5: Solve for x
    x = 2,251,776,755.00/60,047.55
  6. Step 6: Final answer
    x = 37,499.89

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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.