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Finding the Fourth Proportional to 17,737.20, 26,634.60 and 9,961.20

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Solution

The fourth proportional to 17,737.20, 26,634.60 and 9,961.20 is: 14,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,737.20 : 26,634.60 = 9,961.20 : x
  2. Step 2: Convert to fraction form
    17,737.20/26,634.60 = 9,961.20/x
  3. Step 3: Cross multiply
    17,737.20x = 26,634.60 × 9,961.20
  4. Step 4: Simplify right side
    17,737.20x = 265,312,577.52
  5. Step 5: Solve for x
    x = 265,312,577.52/17,737.20
  6. Step 6: Final answer
    x = 14,957.97

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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.