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Finding the Fourth Proportional to 60,373.68, 90,442.71 and 39,534

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Solution

The fourth proportional to 60,373.68, 90,442.71 and 39,534 is: 59,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,373.68 : 90,442.71 = 39,534 : x
  2. Step 2: Convert to fraction form
    60,373.68/90,442.71 = 39,534/x
  3. Step 3: Cross multiply
    60,373.68x = 90,442.71 × 39,534
  4. Step 4: Simplify right side
    60,373.68x = 3,575,562,097.14
  5. Step 5: Solve for x
    x = 3,575,562,097.14/60,373.68
  6. Step 6: Final answer
    x = 59,223.86

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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.