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Finding the Fourth Proportional to 64,295.43, 88,724.61 and 35,613.15

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Solution

The fourth proportional to 64,295.43, 88,724.61 and 35,613.15 is: 49,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,295.43 : 88,724.61 = 35,613.15 : x
  2. Step 2: Convert to fraction form
    64,295.43/88,724.61 = 35,613.15/x
  3. Step 3: Cross multiply
    64,295.43x = 88,724.61 × 35,613.15
  4. Step 4: Simplify right side
    64,295.43x = 3,159,762,844.62
  5. Step 5: Solve for x
    x = 3,159,762,844.62/64,295.43
  6. Step 6: Final answer
    x = 49,144.44

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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.