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Finding the Fourth Proportional to 16,616.55, 22,930.75 and 9,062.74

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Solution

The fourth proportional to 16,616.55, 22,930.75 and 9,062.74 is: 12,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616.55 : 22,930.75 = 9,062.74 : x
  2. Step 2: Convert to fraction form
    16,616.55/22,930.75 = 9,062.74/x
  3. Step 3: Cross multiply
    16,616.55x = 22,930.75 × 9,062.74
  4. Step 4: Simplify right side
    16,616.55x = 207,815,425.26
  5. Step 5: Solve for x
    x = 207,815,425.26/16,616.55
  6. Step 6: Final answer
    x = 12,506.53

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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.