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Finding the Fourth Proportional to 23,543.86, 32,491.11 and 12,934.48

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Solution

The fourth proportional to 23,543.86, 32,491.11 and 12,934.48 is: 17,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,543.86 : 32,491.11 = 12,934.48 : x
  2. Step 2: Convert to fraction form
    23,543.86/32,491.11 = 12,934.48/x
  3. Step 3: Cross multiply
    23,543.86x = 32,491.11 × 12,934.48
  4. Step 4: Simplify right side
    23,543.86x = 420,255,612.47
  5. Step 5: Solve for x
    x = 420,255,612.47/23,543.86
  6. Step 6: Final answer
    x = 17,849.90

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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.