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Finding the Fourth Proportional to 83,703.93, 115,512.27 and 45,463.85

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Solution

The fourth proportional to 83,703.93, 115,512.27 and 45,463.85 is: 62,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,703.93 : 115,512.27 = 45,463.85 : x
  2. Step 2: Convert to fraction form
    83,703.93/115,512.27 = 45,463.85/x
  3. Step 3: Cross multiply
    83,703.93x = 115,512.27 × 45,463.85
  4. Step 4: Simplify right side
    83,703.93x = 5,251,632,542.54
  5. Step 5: Solve for x
    x = 5,251,632,542.54/83,703.93
  6. Step 6: Final answer
    x = 62,740.57

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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.