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Finding the Fourth Proportional to 69,092.80, 103,639.20 and 22,350.40

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Solution

The fourth proportional to 69,092.80, 103,639.20 and 22,350.40 is: 33,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,092.80 : 103,639.20 = 22,350.40 : x
  2. Step 2: Convert to fraction form
    69,092.80/103,639.20 = 22,350.40/x
  3. Step 3: Cross multiply
    69,092.80x = 103,639.20 × 22,350.40
  4. Step 4: Simplify right side
    69,092.80x = 2,316,377,575.68
  5. Step 5: Solve for x
    x = 2,316,377,575.68/69,092.80
  6. Step 6: Final answer
    x = 33,525.60

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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.