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Finding the Fourth Proportional to 12,544.34, 17,310.92 and 7,167.02

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Solution

The fourth proportional to 12,544.34, 17,310.92 and 7,167.02 is: 9,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.34 : 17,310.92 = 7,167.02 : x
  2. Step 2: Convert to fraction form
    12,544.34/17,310.92 = 7,167.02/x
  3. Step 3: Cross multiply
    12,544.34x = 17,310.92 × 7,167.02
  4. Step 4: Simplify right side
    12,544.34x = 124,067,587.47
  5. Step 5: Solve for x
    x = 124,067,587.47/12,544.34
  6. Step 6: Final answer
    x = 9,890.33

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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.