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Finding the Fourth Proportional to 8,876.01, 13,316.58 and 2,871.96

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Solution

The fourth proportional to 8,876.01, 13,316.58 and 2,871.96 is: 4,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.01 : 13,316.58 = 2,871.96 : x
  2. Step 2: Convert to fraction form
    8,876.01/13,316.58 = 2,871.96/x
  3. Step 3: Cross multiply
    8,876.01x = 13,316.58 × 2,871.96
  4. Step 4: Simplify right side
    8,876.01x = 38,244,635.16
  5. Step 5: Solve for x
    x = 38,244,635.16/8,876.01
  6. Step 6: Final answer
    x = 4,308.76

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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.