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Finding the Fourth Proportional to 63,707.79, 95,566.19 and 19,338.15

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Solution

The fourth proportional to 63,707.79, 95,566.19 and 19,338.15 is: 29,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,707.79 : 95,566.19 = 19,338.15 : x
  2. Step 2: Convert to fraction form
    63,707.79/95,566.19 = 19,338.15/x
  3. Step 3: Cross multiply
    63,707.79x = 95,566.19 × 19,338.15
  4. Step 4: Simplify right side
    63,707.79x = 1,848,073,220.46
  5. Step 5: Solve for x
    x = 1,848,073,220.46/63,707.79
  6. Step 6: Final answer
    x = 29,008.59

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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.