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Finding the Fourth Proportional to 32,396.90, 48,599.46 and 12,672.92

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Solution

The fourth proportional to 32,396.90, 48,599.46 and 12,672.92 is: 19,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,396.90 : 48,599.46 = 12,672.92 : x
  2. Step 2: Convert to fraction form
    32,396.90/48,599.46 = 12,672.92/x
  3. Step 3: Cross multiply
    32,396.90x = 48,599.46 × 12,672.92
  4. Step 4: Simplify right side
    32,396.90x = 615,897,190.12
  5. Step 5: Solve for x
    x = 615,897,190.12/32,396.90
  6. Step 6: Final answer
    x = 19,010.99

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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.