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Finding the Fourth Proportional to 22,812.10, 34,218.15 and 8,037.70

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Solution

The fourth proportional to 22,812.10, 34,218.15 and 8,037.70 is: 12,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,812.10 : 34,218.15 = 8,037.70 : x
  2. Step 2: Convert to fraction form
    22,812.10/34,218.15 = 8,037.70/x
  3. Step 3: Cross multiply
    22,812.10x = 34,218.15 × 8,037.70
  4. Step 4: Simplify right side
    22,812.10x = 275,035,224.26
  5. Step 5: Solve for x
    x = 275,035,224.26/22,812.10
  6. Step 6: Final answer
    x = 12,056.55

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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.