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Finding the Fourth Proportional to 65,370.90, 97,861.95 and 39,062.10

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Solution

The fourth proportional to 65,370.90, 97,861.95 and 39,062.10 is: 58,476.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,370.90 : 97,861.95 = 39,062.10 : x
  2. Step 2: Convert to fraction form
    65,370.90/97,861.95 = 39,062.10/x
  3. Step 3: Cross multiply
    65,370.90x = 97,861.95 × 39,062.10
  4. Step 4: Simplify right side
    65,370.90x = 3,822,693,277.10
  5. Step 5: Solve for x
    x = 3,822,693,277.10/65,370.90
  6. Step 6: Final answer
    x = 58,476.99

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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.