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Finding the Fourth Proportional to 8,914.89, 13,372.35 and 5,017.17

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Solution

The fourth proportional to 8,914.89, 13,372.35 and 5,017.17 is: 7,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.89 : 13,372.35 = 5,017.17 : x
  2. Step 2: Convert to fraction form
    8,914.89/13,372.35 = 5,017.17/x
  3. Step 3: Cross multiply
    8,914.89x = 13,372.35 × 5,017.17
  4. Step 4: Simplify right side
    8,914.89x = 67,091,353.25
  5. Step 5: Solve for x
    x = 67,091,353.25/8,914.89
  6. Step 6: Final answer
    x = 7,525.76

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Similar ratio
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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.