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Finding the Fourth Proportional to 5,581.86, 8,374.70 and 3,499.35

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Solution

The fourth proportional to 5,581.86, 8,374.70 and 3,499.35 is: 5,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.86 : 8,374.70 = 3,499.35 : x
  2. Step 2: Convert to fraction form
    5,581.86/8,374.70 = 3,499.35/x
  3. Step 3: Cross multiply
    5,581.86x = 8,374.70 × 3,499.35
  4. Step 4: Simplify right side
    5,581.86x = 29,305,978.48
  5. Step 5: Solve for x
    x = 29,305,978.48/5,581.86
  6. Step 6: Final answer
    x = 5,250.22

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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.