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Finding the Fourth Proportional to 63,798.72, 95,712.41 and 19,428.98

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Solution

The fourth proportional to 63,798.72, 95,712.41 and 19,428.98 is: 29,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,798.72 : 95,712.41 = 19,428.98 : x
  2. Step 2: Convert to fraction form
    63,798.72/95,712.41 = 19,428.98/x
  3. Step 3: Cross multiply
    63,798.72x = 95,712.41 × 19,428.98
  4. Step 4: Simplify right side
    63,798.72x = 1,859,593,923.93
  5. Step 5: Solve for x
    x = 1,859,593,923.93/63,798.72
  6. Step 6: Final answer
    x = 29,147.82

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1.5x scale

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.