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Finding the Fourth Proportional to 63,645.54, 95,468.81 and 19,275.76

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Solution

The fourth proportional to 63,645.54, 95,468.81 and 19,275.76 is: 28,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,645.54 : 95,468.81 = 19,275.76 : x
  2. Step 2: Convert to fraction form
    63,645.54/95,468.81 = 19,275.76/x
  3. Step 3: Cross multiply
    63,645.54x = 95,468.81 × 19,275.76
  4. Step 4: Simplify right side
    63,645.54x = 1,840,233,869.05
  5. Step 5: Solve for x
    x = 1,840,233,869.05/63,645.54
  6. Step 6: Final answer
    x = 28,913.79

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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.