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Finding the Fourth Proportional to 40,212.40, 60,325.80 and 16,841.20

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Solution

The fourth proportional to 40,212.40, 60,325.80 and 16,841.20 is: 25,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.40 : 60,325.80 = 16,841.20 : x
  2. Step 2: Convert to fraction form
    40,212.40/60,325.80 = 16,841.20/x
  3. Step 3: Cross multiply
    40,212.40x = 60,325.80 × 16,841.20
  4. Step 4: Simplify right side
    40,212.40x = 1,015,958,862.96
  5. Step 5: Solve for x
    x = 1,015,958,862.96/40,212.40
  6. Step 6: Final answer
    x = 25,264.82

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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.