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Finding the Fourth Proportional to 25,232.60, 37,821.90 and 8,577.20

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Solution

The fourth proportional to 25,232.60, 37,821.90 and 8,577.20 is: 12,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,232.60 : 37,821.90 = 8,577.20 : x
  2. Step 2: Convert to fraction form
    25,232.60/37,821.90 = 8,577.20/x
  3. Step 3: Cross multiply
    25,232.60x = 37,821.90 × 8,577.20
  4. Step 4: Simplify right side
    25,232.60x = 324,406,000.68
  5. Step 5: Solve for x
    x = 324,406,000.68/25,232.60
  6. Step 6: Final answer
    x = 12,856.62

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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.