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Finding the Fourth Proportional to 35,332.54, 52,997.90 and 8,678.79

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Solution

The fourth proportional to 35,332.54, 52,997.90 and 8,678.79 is: 13,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,332.54 : 52,997.90 = 8,678.79 : x
  2. Step 2: Convert to fraction form
    35,332.54/52,997.90 = 8,678.79/x
  3. Step 3: Cross multiply
    35,332.54x = 52,997.90 × 8,678.79
  4. Step 4: Simplify right side
    35,332.54x = 459,957,601.15
  5. Step 5: Solve for x
    x = 459,957,601.15/35,332.54
  6. Step 6: Final answer
    x = 13,017.96

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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.