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Finding the Fourth Proportional to 40,228.80, 60,314.40 and 16,843.20

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Solution

The fourth proportional to 40,228.80, 60,314.40 and 16,843.20 is: 25,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.80 : 60,314.40 = 16,843.20 : x
  2. Step 2: Convert to fraction form
    40,228.80/60,314.40 = 16,843.20/x
  3. Step 3: Cross multiply
    40,228.80x = 60,314.40 × 16,843.20
  4. Step 4: Simplify right side
    40,228.80x = 1,015,887,502.08
  5. Step 5: Solve for x
    x = 1,015,887,502.08/40,228.80
  6. Step 6: Final answer
    x = 25,252.74

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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.