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Finding the Fourth Proportional to 8,549.10, 12,801.70 and 5,912.96

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Solution

The fourth proportional to 8,549.10, 12,801.70 and 5,912.96 is: 8,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.10 : 12,801.70 = 5,912.96 : x
  2. Step 2: Convert to fraction form
    8,549.10/12,801.70 = 5,912.96/x
  3. Step 3: Cross multiply
    8,549.10x = 12,801.70 × 5,912.96
  4. Step 4: Simplify right side
    8,549.10x = 75,695,940.03
  5. Step 5: Solve for x
    x = 75,695,940.03/8,549.10
  6. Step 6: Final answer
    x = 8,854.26

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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.