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Finding the Fourth Proportional to 64,226.92, 88,630.43 and 35,543.90

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Solution

The fourth proportional to 64,226.92, 88,630.43 and 35,543.90 is: 49,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,226.92 : 88,630.43 = 35,543.90 : x
  2. Step 2: Convert to fraction form
    64,226.92/88,630.43 = 35,543.90/x
  3. Step 3: Cross multiply
    64,226.92x = 88,630.43 × 35,543.90
  4. Step 4: Simplify right side
    64,226.92x = 3,150,270,963.16
  5. Step 5: Solve for x
    x = 3,150,270,963.16/64,226.92
  6. Step 6: Final answer
    x = 49,049.07

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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.