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Finding the Fourth Proportional to 17,237.54, 25,862.47 and 8,478.61

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Solution

The fourth proportional to 17,237.54, 25,862.47 and 8,478.61 is: 12,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,237.54 : 25,862.47 = 8,478.61 : x
  2. Step 2: Convert to fraction form
    17,237.54/25,862.47 = 8,478.61/x
  3. Step 3: Cross multiply
    17,237.54x = 25,862.47 × 8,478.61
  4. Step 4: Simplify right side
    17,237.54x = 219,277,710.91
  5. Step 5: Solve for x
    x = 219,277,710.91/17,237.54
  6. Step 6: Final answer
    x = 12,720.94

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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.