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Finding the Fourth Proportional to 65,373.40, 97,829.70 and 59,843.80

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Solution

The fourth proportional to 65,373.40, 97,829.70 and 59,843.80 is: 89,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373.40 : 97,829.70 = 59,843.80 : x
  2. Step 2: Convert to fraction form
    65,373.40/97,829.70 = 59,843.80/x
  3. Step 3: Cross multiply
    65,373.40x = 97,829.70 × 59,843.80
  4. Step 4: Simplify right side
    65,373.40x = 5,854,501,000.86
  5. Step 5: Solve for x
    x = 5,854,501,000.86/65,373.40
  6. Step 6: Final answer
    x = 89,554.79

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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.