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Finding the Fourth Proportional to 8,348.48, 12,522.72 and 2,876.48

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Solution

The fourth proportional to 8,348.48, 12,522.72 and 2,876.48 is: 4,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.48 : 12,522.72 = 2,876.48 : x
  2. Step 2: Convert to fraction form
    8,348.48/12,522.72 = 2,876.48/x
  3. Step 3: Cross multiply
    8,348.48x = 12,522.72 × 2,876.48
  4. Step 4: Simplify right side
    8,348.48x = 36,021,353.63
  5. Step 5: Solve for x
    x = 36,021,353.63/8,348.48
  6. Step 6: Final answer
    x = 4,314.72

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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.