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Finding the Fourth Proportional to 26,642.92, 39,963.42 and 9,125.32

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Solution

The fourth proportional to 26,642.92, 39,963.42 and 9,125.32 is: 13,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.92 : 39,963.42 = 9,125.32 : x
  2. Step 2: Convert to fraction form
    26,642.92/39,963.42 = 9,125.32/x
  3. Step 3: Cross multiply
    26,642.92x = 39,963.42 × 9,125.32
  4. Step 4: Simplify right side
    26,642.92x = 364,678,995.79
  5. Step 5: Solve for x
    x = 364,678,995.79/26,642.92
  6. Step 6: Final answer
    x = 13,687.65

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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.