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Finding the Fourth Proportional to 63,803.70, 95,719.39 and 19,429.29

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Solution

The fourth proportional to 63,803.70, 95,719.39 and 19,429.29 is: 29,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,803.70 : 95,719.39 = 19,429.29 : x
  2. Step 2: Convert to fraction form
    63,803.70/95,719.39 = 19,429.29/x
  3. Step 3: Cross multiply
    63,803.70x = 95,719.39 × 19,429.29
  4. Step 4: Simplify right side
    63,803.70x = 1,859,759,786.93
  5. Step 5: Solve for x
    x = 1,859,759,786.93/63,803.70
  6. Step 6: Final answer
    x = 29,148.15

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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.