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Finding the Fourth Proportional to 60,879.70, 84,013.76 and 34,021.97

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Solution

The fourth proportional to 60,879.70, 84,013.76 and 34,021.97 is: 46,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,879.70 : 84,013.76 = 34,021.97 : x
  2. Step 2: Convert to fraction form
    60,879.70/84,013.76 = 34,021.97/x
  3. Step 3: Cross multiply
    60,879.70x = 84,013.76 × 34,021.97
  4. Step 4: Simplify right side
    60,879.70x = 2,858,313,883.55
  5. Step 5: Solve for x
    x = 2,858,313,883.55/60,879.70
  6. Step 6: Final answer
    x = 46,950.20

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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.