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Finding the Fourth Proportional to 17,490.52, 24,129.24 and 11,823.22

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Solution

The fourth proportional to 17,490.52, 24,129.24 and 11,823.22 is: 16,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.52 : 24,129.24 = 11,823.22 : x
  2. Step 2: Convert to fraction form
    17,490.52/24,129.24 = 11,823.22/x
  3. Step 3: Cross multiply
    17,490.52x = 24,129.24 × 11,823.22
  4. Step 4: Simplify right side
    17,490.52x = 285,285,312.95
  5. Step 5: Solve for x
    x = 285,285,312.95/17,490.52
  6. Step 6: Final answer
    x = 16,310.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.