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Finding the Fourth Proportional to 16,658.58, 22,988.40 and 9,104.92

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Solution

The fourth proportional to 16,658.58, 22,988.40 and 9,104.92 is: 12,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.58 : 22,988.40 = 9,104.92 : x
  2. Step 2: Convert to fraction form
    16,658.58/22,988.40 = 9,104.92/x
  3. Step 3: Cross multiply
    16,658.58x = 22,988.40 × 9,104.92
  4. Step 4: Simplify right side
    16,658.58x = 209,307,542.93
  5. Step 5: Solve for x
    x = 209,307,542.93/16,658.58
  6. Step 6: Final answer
    x = 12,564.55

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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.