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Finding the Fourth Proportional to 63,838.61, 95,754.32 and 28,289.69

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Solution

The fourth proportional to 63,838.61, 95,754.32 and 28,289.69 is: 42,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,838.61 : 95,754.32 = 28,289.69 : x
  2. Step 2: Convert to fraction form
    63,838.61/95,754.32 = 28,289.69/x
  3. Step 3: Cross multiply
    63,838.61x = 95,754.32 × 28,289.69
  4. Step 4: Simplify right side
    63,838.61x = 2,708,859,887.51
  5. Step 5: Solve for x
    x = 2,708,859,887.51/63,838.61
  6. Step 6: Final answer
    x = 42,432.94

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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.