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Finding the Fourth Proportional to 69,124.80, 103,664.88 and 22,366.56

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Solution

The fourth proportional to 69,124.80, 103,664.88 and 22,366.56 is: 33,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124.80 : 103,664.88 = 22,366.56 : x
  2. Step 2: Convert to fraction form
    69,124.80/103,664.88 = 22,366.56/x
  3. Step 3: Cross multiply
    69,124.80x = 103,664.88 × 22,366.56
  4. Step 4: Simplify right side
    69,124.80x = 2,318,626,758.41
  5. Step 5: Solve for x
    x = 2,318,626,758.41/69,124.80
  6. Step 6: Final answer
    x = 33,542.62

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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.