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Finding the Fourth Proportional to 15,691.69, 23,526.13 and 7,367.42

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Solution

The fourth proportional to 15,691.69, 23,526.13 and 7,367.42 is: 11,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.69 : 23,526.13 = 7,367.42 : x
  2. Step 2: Convert to fraction form
    15,691.69/23,526.13 = 7,367.42/x
  3. Step 3: Cross multiply
    15,691.69x = 23,526.13 × 7,367.42
  4. Step 4: Simplify right side
    15,691.69x = 173,326,880.68
  5. Step 5: Solve for x
    x = 173,326,880.68/15,691.69
  6. Step 6: Final answer
    x = 11,045.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.