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Finding the Fourth Proportional to 65,231.55, 97,865.55 and 31,952.70

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Solution

The fourth proportional to 65,231.55, 97,865.55 and 31,952.70 is: 47,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,231.55 : 97,865.55 = 31,952.70 : x
  2. Step 2: Convert to fraction form
    65,231.55/97,865.55 = 31,952.70/x
  3. Step 3: Cross multiply
    65,231.55x = 97,865.55 × 31,952.70
  4. Step 4: Simplify right side
    65,231.55x = 3,127,068,559.49
  5. Step 5: Solve for x
    x = 3,127,068,559.49/65,231.55
  6. Step 6: Final answer
    x = 47,937.98

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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.