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Finding the Fourth Proportional to 29,487.30, 44,230.95 and 20,156.10

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Solution

The fourth proportional to 29,487.30, 44,230.95 and 20,156.10 is: 30,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.30 : 44,230.95 = 20,156.10 : x
  2. Step 2: Convert to fraction form
    29,487.30/44,230.95 = 20,156.10/x
  3. Step 3: Cross multiply
    29,487.30x = 44,230.95 × 20,156.10
  4. Step 4: Simplify right side
    29,487.30x = 891,523,451.30
  5. Step 5: Solve for x
    x = 891,523,451.30/29,487.30
  6. Step 6: Final answer
    x = 30,234.15

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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.