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Finding the Fourth Proportional to 27,325.60, 40,982.80 and 7,599.20

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Solution

The fourth proportional to 27,325.60, 40,982.80 and 7,599.20 is: 11,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,325.60 : 40,982.80 = 7,599.20 : x
  2. Step 2: Convert to fraction form
    27,325.60/40,982.80 = 7,599.20/x
  3. Step 3: Cross multiply
    27,325.60x = 40,982.80 × 7,599.20
  4. Step 4: Simplify right side
    27,325.60x = 311,436,493.76
  5. Step 5: Solve for x
    x = 311,436,493.76/27,325.60
  6. Step 6: Final answer
    x = 11,397.24

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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.