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Finding the Fourth Proportional to 16,613.88, 22,925.88 and 9,542.58

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Solution

The fourth proportional to 16,613.88, 22,925.88 and 9,542.58 is: 13,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,613.88 : 22,925.88 = 9,542.58 : x
  2. Step 2: Convert to fraction form
    16,613.88/22,925.88 = 9,542.58/x
  3. Step 3: Cross multiply
    16,613.88x = 22,925.88 × 9,542.58
  4. Step 4: Simplify right side
    16,613.88x = 218,772,043.97
  5. Step 5: Solve for x
    x = 218,772,043.97/16,613.88
  6. Step 6: Final answer
    x = 13,168.03

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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.