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Finding the Fourth Proportional to 17,788.91, 24,560.24 and 11,417.90

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Solution

The fourth proportional to 17,788.91, 24,560.24 and 11,417.90 is: 15,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.91 : 24,560.24 = 11,417.90 : x
  2. Step 2: Convert to fraction form
    17,788.91/24,560.24 = 11,417.90/x
  3. Step 3: Cross multiply
    17,788.91x = 24,560.24 × 11,417.90
  4. Step 4: Simplify right side
    17,788.91x = 280,426,184.41
  5. Step 5: Solve for x
    x = 280,426,184.41/17,788.91
  6. Step 6: Final answer
    x = 15,764.11

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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.