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Finding the Fourth Proportional to 65,522.76, 98,329.58 and 29,988.42

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Solution

The fourth proportional to 65,522.76, 98,329.58 and 29,988.42 is: 45,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,522.76 : 98,329.58 = 29,988.42 : x
  2. Step 2: Convert to fraction form
    65,522.76/98,329.58 = 29,988.42/x
  3. Step 3: Cross multiply
    65,522.76x = 98,329.58 × 29,988.42
  4. Step 4: Simplify right side
    65,522.76x = 2,948,748,743.46
  5. Step 5: Solve for x
    x = 2,948,748,743.46/65,522.76
  6. Step 6: Final answer
    x = 45,003.43

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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.