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Finding the Fourth Proportional to 42,486.87, 63,738.81 and 23,793.49

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Solution

The fourth proportional to 42,486.87, 63,738.81 and 23,793.49 is: 35,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,486.87 : 63,738.81 = 23,793.49 : x
  2. Step 2: Convert to fraction form
    42,486.87/63,738.81 = 23,793.49/x
  3. Step 3: Cross multiply
    42,486.87x = 63,738.81 × 23,793.49
  4. Step 4: Simplify right side
    42,486.87x = 1,516,568,738.35
  5. Step 5: Solve for x
    x = 1,516,568,738.35/42,486.87
  6. Step 6: Final answer
    x = 35,695.00

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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.