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Finding the Fourth Proportional to 8,302.65, 12,454.25 and 3,372.18

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Solution

The fourth proportional to 8,302.65, 12,454.25 and 3,372.18 is: 5,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.65 : 12,454.25 = 3,372.18 : x
  2. Step 2: Convert to fraction form
    8,302.65/12,454.25 = 3,372.18/x
  3. Step 3: Cross multiply
    8,302.65x = 12,454.25 × 3,372.18
  4. Step 4: Simplify right side
    8,302.65x = 41,997,955.90
  5. Step 5: Solve for x
    x = 41,997,955.90/8,302.65
  6. Step 6: Final answer
    x = 5,058.38

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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.