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Finding the Fourth Proportional to 17,261.92, 25,918.80 and 9,874.72

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Solution

The fourth proportional to 17,261.92, 25,918.80 and 9,874.72 is: 14,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,261.92 : 25,918.80 = 9,874.72 : x
  2. Step 2: Convert to fraction form
    17,261.92/25,918.80 = 9,874.72/x
  3. Step 3: Cross multiply
    17,261.92x = 25,918.80 × 9,874.72
  4. Step 4: Simplify right side
    17,261.92x = 255,940,892.74
  5. Step 5: Solve for x
    x = 255,940,892.74/17,261.92
  6. Step 6: Final answer
    x = 14,826.91

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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.