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Finding the Fourth Proportional to 62,105.80, 85,708.20 and 33,813.52

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Solution

The fourth proportional to 62,105.80, 85,708.20 and 33,813.52 is: 46,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,105.80 : 85,708.20 = 33,813.52 : x
  2. Step 2: Convert to fraction form
    62,105.80/85,708.20 = 33,813.52/x
  3. Step 3: Cross multiply
    62,105.80x = 85,708.20 × 33,813.52
  4. Step 4: Simplify right side
    62,105.80x = 2,898,095,934.86
  5. Step 5: Solve for x
    x = 2,898,095,934.86/62,105.80
  6. Step 6: Final answer
    x = 46,663.85

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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.