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Finding the Fourth Proportional to 12,595.80, 18,915.30 and 8,232.60

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Solution

The fourth proportional to 12,595.80, 18,915.30 and 8,232.60 is: 12,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.80 : 18,915.30 = 8,232.60 : x
  2. Step 2: Convert to fraction form
    12,595.80/18,915.30 = 8,232.60/x
  3. Step 3: Cross multiply
    12,595.80x = 18,915.30 × 8,232.60
  4. Step 4: Simplify right side
    12,595.80x = 155,722,098.78
  5. Step 5: Solve for x
    x = 155,722,098.78/12,595.80
  6. Step 6: Final answer
    x = 12,363.02

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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.