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Finding the Fourth Proportional to 69,995.80, 96,566.61 and 43,091.56

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Solution

The fourth proportional to 69,995.80, 96,566.61 and 43,091.56 is: 59,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,995.80 : 96,566.61 = 43,091.56 : x
  2. Step 2: Convert to fraction form
    69,995.80/96,566.61 = 43,091.56/x
  3. Step 3: Cross multiply
    69,995.80x = 96,566.61 × 43,091.56
  4. Step 4: Simplify right side
    69,995.80x = 4,161,205,868.81
  5. Step 5: Solve for x
    x = 4,161,205,868.81/69,995.80
  6. Step 6: Final answer
    x = 59,449.37

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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.