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Finding the Fourth Proportional to 64,451.84, 88,898.48 and 62,284.32

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Solution

The fourth proportional to 64,451.84, 88,898.48 and 62,284.32 is: 85,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,451.84 : 88,898.48 = 62,284.32 : x
  2. Step 2: Convert to fraction form
    64,451.84/88,898.48 = 62,284.32/x
  3. Step 3: Cross multiply
    64,451.84x = 88,898.48 × 62,284.32
  4. Step 4: Simplify right side
    64,451.84x = 5,536,981,375.83
  5. Step 5: Solve for x
    x = 5,536,981,375.83/64,451.84
  6. Step 6: Final answer
    x = 85,908.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.