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Finding the Fourth Proportional to 60,761.80, 91,001.76 and 58,659.31

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Solution

The fourth proportional to 60,761.80, 91,001.76 and 58,659.31 is: 87,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,761.80 : 91,001.76 = 58,659.31 : x
  2. Step 2: Convert to fraction form
    60,761.80/91,001.76 = 58,659.31/x
  3. Step 3: Cross multiply
    60,761.80x = 91,001.76 × 58,659.31
  4. Step 4: Simplify right side
    60,761.80x = 5,338,100,450.39
  5. Step 5: Solve for x
    x = 5,338,100,450.39/60,761.80
  6. Step 6: Final answer
    x = 87,852.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.