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Finding the Fourth Proportional to 63,788.87, 95,679.79 and 19,412.16

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Solution

The fourth proportional to 63,788.87, 95,679.79 and 19,412.16 is: 29,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,788.87 : 95,679.79 = 19,412.16 : x
  2. Step 2: Convert to fraction form
    63,788.87/95,679.79 = 19,412.16/x
  3. Step 3: Cross multiply
    63,788.87x = 95,679.79 × 19,412.16
  4. Step 4: Simplify right side
    63,788.87x = 1,857,351,343.72
  5. Step 5: Solve for x
    x = 1,857,351,343.72/63,788.87
  6. Step 6: Final answer
    x = 29,117.17

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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.