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Finding the Fourth Proportional to 64,910.80, 97,294.20 and 25,454.80

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Solution

The fourth proportional to 64,910.80, 97,294.20 and 25,454.80 is: 38,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,910.80 : 97,294.20 = 25,454.80 : x
  2. Step 2: Convert to fraction form
    64,910.80/97,294.20 = 25,454.80/x
  3. Step 3: Cross multiply
    64,910.80x = 97,294.20 × 25,454.80
  4. Step 4: Simplify right side
    64,910.80x = 2,476,604,402.16
  5. Step 5: Solve for x
    x = 2,476,604,402.16/64,910.80
  6. Step 6: Final answer
    x = 38,153.97

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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.