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Finding the Fourth Proportional to 64,124.66, 88,489.28 and 35,442.85

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Solution

The fourth proportional to 64,124.66, 88,489.28 and 35,442.85 is: 48,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,124.66 : 88,489.28 = 35,442.85 : x
  2. Step 2: Convert to fraction form
    64,124.66/88,489.28 = 35,442.85/x
  3. Step 3: Cross multiply
    64,124.66x = 88,489.28 × 35,442.85
  4. Step 4: Simplify right side
    64,124.66x = 3,136,312,277.65
  5. Step 5: Solve for x
    x = 3,136,312,277.65/64,124.66
  6. Step 6: Final answer
    x = 48,909.62

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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.