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Finding the Fourth Proportional to 58,161.92, 80,342.66 and 45,574.38

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Solution

The fourth proportional to 58,161.92, 80,342.66 and 45,574.38 is: 62,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,161.92 : 80,342.66 = 45,574.38 : x
  2. Step 2: Convert to fraction form
    58,161.92/80,342.66 = 45,574.38/x
  3. Step 3: Cross multiply
    58,161.92x = 80,342.66 × 45,574.38
  4. Step 4: Simplify right side
    58,161.92x = 3,661,566,917.05
  5. Step 5: Solve for x
    x = 3,661,566,917.05/58,161.92
  6. Step 6: Final answer
    x = 62,954.71

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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.