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Finding the Fourth Proportional to 60,906.80, 91,356.96 and 19,350.56

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Solution

The fourth proportional to 60,906.80, 91,356.96 and 19,350.56 is: 29,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,906.80 : 91,356.96 = 19,350.56 : x
  2. Step 2: Convert to fraction form
    60,906.80/91,356.96 = 19,350.56/x
  3. Step 3: Cross multiply
    60,906.80x = 91,356.96 × 19,350.56
  4. Step 4: Simplify right side
    60,906.80x = 1,767,808,335.90
  5. Step 5: Solve for x
    x = 1,767,808,335.90/60,906.80
  6. Step 6: Final answer
    x = 29,024.81

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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.