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Finding the Fourth Proportional to 65,753.34, 98,654.84 and 39,476.40

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Solution

The fourth proportional to 65,753.34, 98,654.84 and 39,476.40 is: 59,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,753.34 : 98,654.84 = 39,476.40 : x
  2. Step 2: Convert to fraction form
    65,753.34/98,654.84 = 39,476.40/x
  3. Step 3: Cross multiply
    65,753.34x = 98,654.84 × 39,476.40
  4. Step 4: Simplify right side
    65,753.34x = 3,894,537,925.78
  5. Step 5: Solve for x
    x = 3,894,537,925.78/65,753.34
  6. Step 6: Final answer
    x = 59,229.51

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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.