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Finding the Fourth Proportional to 26,641.92, 39,961.92 and 9,124.32

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Solution

The fourth proportional to 26,641.92, 39,961.92 and 9,124.32 is: 13,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.92 : 39,961.92 = 9,124.32 : x
  2. Step 2: Convert to fraction form
    26,641.92/39,961.92 = 9,124.32/x
  3. Step 3: Cross multiply
    26,641.92x = 39,961.92 × 9,124.32
  4. Step 4: Simplify right side
    26,641.92x = 364,625,345.89
  5. Step 5: Solve for x
    x = 364,625,345.89/26,641.92
  6. Step 6: Final answer
    x = 13,686.15

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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.