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Finding the Fourth Proportional to 60,489.36, 83,471.49 and 33,631.38

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Solution

The fourth proportional to 60,489.36, 83,471.49 and 33,631.38 is: 46,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489.36 : 83,471.49 = 33,631.38 : x
  2. Step 2: Convert to fraction form
    60,489.36/83,471.49 = 33,631.38/x
  3. Step 3: Cross multiply
    60,489.36x = 83,471.49 × 33,631.38
  4. Step 4: Simplify right side
    60,489.36x = 2,807,261,399.36
  5. Step 5: Solve for x
    x = 2,807,261,399.36/60,489.36
  6. Step 6: Final answer
    x = 46,409.18

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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.