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Finding the Fourth Proportional to 32,179.30, 48,230.55 and 13,459.30

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Solution

The fourth proportional to 32,179.30, 48,230.55 and 13,459.30 is: 20,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,179.30 : 48,230.55 = 13,459.30 : x
  2. Step 2: Convert to fraction form
    32,179.30/48,230.55 = 13,459.30/x
  3. Step 3: Cross multiply
    32,179.30x = 48,230.55 × 13,459.30
  4. Step 4: Simplify right side
    32,179.30x = 649,149,441.62
  5. Step 5: Solve for x
    x = 649,149,441.62/32,179.30
  6. Step 6: Final answer
    x = 20,172.89

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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.