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Finding the Fourth Proportional to 23,449.97, 35,178.95 and 8,658.97

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Solution

The fourth proportional to 23,449.97, 35,178.95 and 8,658.97 is: 12,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,449.97 : 35,178.95 = 8,658.97 : x
  2. Step 2: Convert to fraction form
    23,449.97/35,178.95 = 8,658.97/x
  3. Step 3: Cross multiply
    23,449.97x = 35,178.95 × 8,658.97
  4. Step 4: Simplify right side
    23,449.97x = 304,613,406.38
  5. Step 5: Solve for x
    x = 304,613,406.38/23,449.97
  6. Step 6: Final answer
    x = 12,989.93

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1.5x scale

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.