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Finding the Fourth Proportional to 16,560.88, 22,853.92 and 9,392.16

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Solution

The fourth proportional to 16,560.88, 22,853.92 and 9,392.16 is: 12,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.88 : 22,853.92 = 9,392.16 : x
  2. Step 2: Convert to fraction form
    16,560.88/22,853.92 = 9,392.16/x
  3. Step 3: Cross multiply
    16,560.88x = 22,853.92 × 9,392.16
  4. Step 4: Simplify right side
    16,560.88x = 214,647,673.27
  5. Step 5: Solve for x
    x = 214,647,673.27/16,560.88
  6. Step 6: Final answer
    x = 12,961.13

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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.