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Finding the Fourth Proportional to 69,187.52, 103,795.86 and 22,436.76

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Solution

The fourth proportional to 69,187.52, 103,795.86 and 22,436.76 is: 33,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,187.52 : 103,795.86 = 22,436.76 : x
  2. Step 2: Convert to fraction form
    69,187.52/103,795.86 = 22,436.76/x
  3. Step 3: Cross multiply
    69,187.52x = 103,795.86 × 22,436.76
  4. Step 4: Simplify right side
    69,187.52x = 2,328,842,799.81
  5. Step 5: Solve for x
    x = 2,328,842,799.81/69,187.52
  6. Step 6: Final answer
    x = 33,659.87

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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.