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Finding the Fourth Proportional to 40,273.80, 60,345.90 and 33,664.20

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Solution

The fourth proportional to 40,273.80, 60,345.90 and 33,664.20 is: 50,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,273.80 : 60,345.90 = 33,664.20 : x
  2. Step 2: Convert to fraction form
    40,273.80/60,345.90 = 33,664.20/x
  3. Step 3: Cross multiply
    40,273.80x = 60,345.90 × 33,664.20
  4. Step 4: Simplify right side
    40,273.80x = 2,031,496,446.78
  5. Step 5: Solve for x
    x = 2,031,496,446.78/40,273.80
  6. Step 6: Final answer
    x = 50,442.13

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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.