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Finding the Fourth Proportional to 23,672.90, 32,711.90 and 22,519.71

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Solution

The fourth proportional to 23,672.90, 32,711.90 and 22,519.71 is: 31,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,672.90 : 32,711.90 = 22,519.71 : x
  2. Step 2: Convert to fraction form
    23,672.90/32,711.90 = 22,519.71/x
  3. Step 3: Cross multiply
    23,672.90x = 32,711.90 × 22,519.71
  4. Step 4: Simplify right side
    23,672.90x = 736,662,388.95
  5. Step 5: Solve for x
    x = 736,662,388.95/23,672.90
  6. Step 6: Final answer
    x = 31,118.39

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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.