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Finding the Fourth Proportional to 60,305.66, 83,125.70 and 47,538.04

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Solution

The fourth proportional to 60,305.66, 83,125.70 and 47,538.04 is: 65,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,305.66 : 83,125.70 = 47,538.04 : x
  2. Step 2: Convert to fraction form
    60,305.66/83,125.70 = 47,538.04/x
  3. Step 3: Cross multiply
    60,305.66x = 83,125.70 × 47,538.04
  4. Step 4: Simplify right side
    60,305.66x = 3,951,632,851.63
  5. Step 5: Solve for x
    x = 3,951,632,851.63/60,305.66
  6. Step 6: Final answer
    x = 65,526.73

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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.