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Finding the Fourth Proportional to 63,991.62, 95,987.40 and 34,368.70

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Solution

The fourth proportional to 63,991.62, 95,987.40 and 34,368.70 is: 51,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,991.62 : 95,987.40 = 34,368.70 : x
  2. Step 2: Convert to fraction form
    63,991.62/95,987.40 = 34,368.70/x
  3. Step 3: Cross multiply
    63,991.62x = 95,987.40 × 34,368.70
  4. Step 4: Simplify right side
    63,991.62x = 3,298,962,154.38
  5. Step 5: Solve for x
    x = 3,298,962,154.38/63,991.62
  6. Step 6: Final answer
    x = 51,553.03

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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.