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Finding the Fourth Proportional to 8,292.67, 12,439.10 and 3,548.18

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Solution

The fourth proportional to 8,292.67, 12,439.10 and 3,548.18 is: 5,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.67 : 12,439.10 = 3,548.18 : x
  2. Step 2: Convert to fraction form
    8,292.67/12,439.10 = 3,548.18/x
  3. Step 3: Cross multiply
    8,292.67x = 12,439.10 × 3,548.18
  4. Step 4: Simplify right side
    8,292.67x = 44,136,179.19
  5. Step 5: Solve for x
    x = 44,136,179.19/8,292.67
  6. Step 6: Final answer
    x = 5,322.31

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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.