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Finding the Fourth Proportional to 65,337.60, 97,876.80 and 37,603.20

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Solution

The fourth proportional to 65,337.60, 97,876.80 and 37,603.20 is: 56,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,337.60 : 97,876.80 = 37,603.20 : x
  2. Step 2: Convert to fraction form
    65,337.60/97,876.80 = 37,603.20/x
  3. Step 3: Cross multiply
    65,337.60x = 97,876.80 × 37,603.20
  4. Step 4: Simplify right side
    65,337.60x = 3,680,480,885.76
  5. Step 5: Solve for x
    x = 3,680,480,885.76/65,337.60
  6. Step 6: Final answer
    x = 56,330.21

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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.