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Finding the Fourth Proportional to 5,649.48, 8,472.33 and 1,951.61

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Solution

The fourth proportional to 5,649.48, 8,472.33 and 1,951.61 is: 2,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.48 : 8,472.33 = 1,951.61 : x
  2. Step 2: Convert to fraction form
    5,649.48/8,472.33 = 1,951.61/x
  3. Step 3: Cross multiply
    5,649.48x = 8,472.33 × 1,951.61
  4. Step 4: Simplify right side
    5,649.48x = 16,534,641.59
  5. Step 5: Solve for x
    x = 16,534,641.59/5,649.48
  6. Step 6: Final answer
    x = 2,926.75

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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.