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Finding the Fourth Proportional to 5,917.11, 8,881.80 and 4,358.86

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Solution

The fourth proportional to 5,917.11, 8,881.80 and 4,358.86 is: 6,542.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.11 : 8,881.80 = 4,358.86 : x
  2. Step 2: Convert to fraction form
    5,917.11/8,881.80 = 4,358.86/x
  3. Step 3: Cross multiply
    5,917.11x = 8,881.80 × 4,358.86
  4. Step 4: Simplify right side
    5,917.11x = 38,714,522.75
  5. Step 5: Solve for x
    x = 38,714,522.75/5,917.11
  6. Step 6: Final answer
    x = 6,542.81

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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.