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Finding the Fourth Proportional to 69,010.93, 103,510.62 and 19,091.65

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Solution

The fourth proportional to 69,010.93, 103,510.62 and 19,091.65 is: 28,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,010.93 : 103,510.62 = 19,091.65 : x
  2. Step 2: Convert to fraction form
    69,010.93/103,510.62 = 19,091.65/x
  3. Step 3: Cross multiply
    69,010.93x = 103,510.62 × 19,091.65
  4. Step 4: Simplify right side
    69,010.93x = 1,976,188,528.32
  5. Step 5: Solve for x
    x = 1,976,188,528.32/69,010.93
  6. Step 6: Final answer
    x = 28,635.88

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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.