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Finding the Fourth Proportional to 63,913.80, 95,870.70 and 36,265.80

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Solution

The fourth proportional to 63,913.80, 95,870.70 and 36,265.80 is: 54,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,913.80 : 95,870.70 = 36,265.80 : x
  2. Step 2: Convert to fraction form
    63,913.80/95,870.70 = 36,265.80/x
  3. Step 3: Cross multiply
    63,913.80x = 95,870.70 × 36,265.80
  4. Step 4: Simplify right side
    63,913.80x = 3,476,827,632.06
  5. Step 5: Solve for x
    x = 3,476,827,632.06/63,913.80
  6. Step 6: Final answer
    x = 54,398.70

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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.