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Finding the Fourth Proportional to 5,939.91, 8,909.70 and 3,444.81

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Solution

The fourth proportional to 5,939.91, 8,909.70 and 3,444.81 is: 5,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.91 : 8,909.70 = 3,444.81 : x
  2. Step 2: Convert to fraction form
    5,939.91/8,909.70 = 3,444.81/x
  3. Step 3: Cross multiply
    5,939.91x = 8,909.70 × 3,444.81
  4. Step 4: Simplify right side
    5,939.91x = 30,692,223.66
  5. Step 5: Solve for x
    x = 30,692,223.66/5,939.91
  6. Step 6: Final answer
    x = 5,167.12

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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.