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Finding the Fourth Proportional to 63,952.20, 95,928.30 and 40,681.80

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Solution

The fourth proportional to 63,952.20, 95,928.30 and 40,681.80 is: 61,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,952.20 : 95,928.30 = 40,681.80 : x
  2. Step 2: Convert to fraction form
    63,952.20/95,928.30 = 40,681.80/x
  3. Step 3: Cross multiply
    63,952.20x = 95,928.30 × 40,681.80
  4. Step 4: Simplify right side
    63,952.20x = 3,902,535,914.94
  5. Step 5: Solve for x
    x = 3,902,535,914.94/63,952.20
  6. Step 6: Final answer
    x = 61,022.70

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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.