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Finding the Fourth Proportional to 69,113.68, 103,669.28 and 22,366.60

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Solution

The fourth proportional to 69,113.68, 103,669.28 and 22,366.60 is: 33,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,113.68 : 103,669.28 = 22,366.60 : x
  2. Step 2: Convert to fraction form
    69,113.68/103,669.28 = 22,366.60/x
  3. Step 3: Cross multiply
    69,113.68x = 103,669.28 × 22,366.60
  4. Step 4: Simplify right side
    69,113.68x = 2,318,729,318.05
  5. Step 5: Solve for x
    x = 2,318,729,318.05/69,113.68
  6. Step 6: Final answer
    x = 33,549.50

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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.