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Finding the Fourth Proportional to 60,665.78, 83,725.05 and 36,474.66

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Solution

The fourth proportional to 60,665.78, 83,725.05 and 36,474.66 is: 50,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,665.78 : 83,725.05 = 36,474.66 : x
  2. Step 2: Convert to fraction form
    60,665.78/83,725.05 = 36,474.66/x
  3. Step 3: Cross multiply
    60,665.78x = 83,725.05 × 36,474.66
  4. Step 4: Simplify right side
    60,665.78x = 3,053,842,732.23
  5. Step 5: Solve for x
    x = 3,053,842,732.23/60,665.78
  6. Step 6: Final answer
    x = 50,338.80

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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.