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Finding the Fourth Proportional to 60,085.80, 82,917.36 and 36,225.54

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Solution

The fourth proportional to 60,085.80, 82,917.36 and 36,225.54 is: 49,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,085.80 : 82,917.36 = 36,225.54 : x
  2. Step 2: Convert to fraction form
    60,085.80/82,917.36 = 36,225.54/x
  3. Step 3: Cross multiply
    60,085.80x = 82,917.36 × 36,225.54
  4. Step 4: Simplify right side
    60,085.80x = 3,003,726,141.37
  5. Step 5: Solve for x
    x = 3,003,726,141.37/60,085.80
  6. Step 6: Final answer
    x = 49,990.62

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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.