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Finding the Fourth Proportional to 38,363.60, 57,545.40 and 33,957.20

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Solution

The fourth proportional to 38,363.60, 57,545.40 and 33,957.20 is: 50,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,363.60 : 57,545.40 = 33,957.20 : x
  2. Step 2: Convert to fraction form
    38,363.60/57,545.40 = 33,957.20/x
  3. Step 3: Cross multiply
    38,363.60x = 57,545.40 × 33,957.20
  4. Step 4: Simplify right side
    38,363.60x = 1,954,080,656.88
  5. Step 5: Solve for x
    x = 1,954,080,656.88/38,363.60
  6. Step 6: Final answer
    x = 50,935.80

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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.