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Finding the Fourth Proportional to 58,709.30, 88,025.70 and 38,658.14

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Solution

The fourth proportional to 58,709.30, 88,025.70 and 38,658.14 is: 57,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,709.30 : 88,025.70 = 38,658.14 : x
  2. Step 2: Convert to fraction form
    58,709.30/88,025.70 = 38,658.14/x
  3. Step 3: Cross multiply
    58,709.30x = 88,025.70 × 38,658.14
  4. Step 4: Simplify right side
    58,709.30x = 3,402,909,834.20
  5. Step 5: Solve for x
    x = 3,402,909,834.20/58,709.30
  6. Step 6: Final answer
    x = 57,962.02

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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.