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Finding the Fourth Proportional to 60,665.35, 83,724.45 and 36,474.22

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Solution

The fourth proportional to 60,665.35, 83,724.45 and 36,474.22 is: 50,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,665.35 : 83,724.45 = 36,474.22 : x
  2. Step 2: Convert to fraction form
    60,665.35/83,724.45 = 36,474.22/x
  3. Step 3: Cross multiply
    60,665.35x = 83,724.45 × 36,474.22
  4. Step 4: Simplify right side
    60,665.35x = 3,053,783,826.31
  5. Step 5: Solve for x
    x = 3,053,783,826.31/60,665.35
  6. Step 6: Final answer
    x = 50,338.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.