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Finding the Fourth Proportional to 79,436.92, 109,562.24 and 53,962.92

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Solution

The fourth proportional to 79,436.92, 109,562.24 and 53,962.92 is: 74,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,436.92 : 109,562.24 = 53,962.92 : x
  2. Step 2: Convert to fraction form
    79,436.92/109,562.24 = 53,962.92/x
  3. Step 3: Cross multiply
    79,436.92x = 109,562.24 × 53,962.92
  4. Step 4: Simplify right side
    79,436.92x = 5,912,298,392.14
  5. Step 5: Solve for x
    x = 5,912,298,392.14/79,436.92
  6. Step 6: Final answer
    x = 74,427.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.