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Finding the Fourth Proportional to 16,630.80, 22,951.80 and 9,559.68

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Solution

The fourth proportional to 16,630.80, 22,951.80 and 9,559.68 is: 13,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,630.80 : 22,951.80 = 9,559.68 : x
  2. Step 2: Convert to fraction form
    16,630.80/22,951.80 = 9,559.68/x
  3. Step 3: Cross multiply
    16,630.80x = 22,951.80 × 9,559.68
  4. Step 4: Simplify right side
    16,630.80x = 219,411,863.42
  5. Step 5: Solve for x
    x = 219,411,863.42/16,630.80
  6. Step 6: Final answer
    x = 13,193.10

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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.