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Finding the Fourth Proportional to 8,867.70, 13,291.17 and 5,701.10

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Solution

The fourth proportional to 8,867.70, 13,291.17 and 5,701.10 is: 8,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.70 : 13,291.17 = 5,701.10 : x
  2. Step 2: Convert to fraction form
    8,867.70/13,291.17 = 5,701.10/x
  3. Step 3: Cross multiply
    8,867.70x = 13,291.17 × 5,701.10
  4. Step 4: Simplify right side
    8,867.70x = 75,774,289.29
  5. Step 5: Solve for x
    x = 75,774,289.29/8,867.70
  6. Step 6: Final answer
    x = 8,544.98

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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.