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Finding the Fourth Proportional to 65,084.92, 97,488.95 and 38,402.16

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Solution

The fourth proportional to 65,084.92, 97,488.95 and 38,402.16 is: 57,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,084.92 : 97,488.95 = 38,402.16 : x
  2. Step 2: Convert to fraction form
    65,084.92/97,488.95 = 38,402.16/x
  3. Step 3: Cross multiply
    65,084.92x = 97,488.95 × 38,402.16
  4. Step 4: Simplify right side
    65,084.92x = 3,743,786,256.13
  5. Step 5: Solve for x
    x = 3,743,786,256.13/65,084.92
  6. Step 6: Final answer
    x = 57,521.56

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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.