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Finding the Fourth Proportional to 69,007.68, 103,511.46 and 22,260.55

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Solution

The fourth proportional to 69,007.68, 103,511.46 and 22,260.55 is: 33,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,007.68 : 103,511.46 = 22,260.55 : x
  2. Step 2: Convert to fraction form
    69,007.68/103,511.46 = 22,260.55/x
  3. Step 3: Cross multiply
    69,007.68x = 103,511.46 × 22,260.55
  4. Step 4: Simplify right side
    69,007.68x = 2,304,222,030.90
  5. Step 5: Solve for x
    x = 2,304,222,030.90/69,007.68
  6. Step 6: Final answer
    x = 33,390.81

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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.