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Finding the Fourth Proportional to 69,043.92, 103,557.24 and 27,520.08

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Solution

The fourth proportional to 69,043.92, 103,557.24 and 27,520.08 is: 41,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,043.92 : 103,557.24 = 27,520.08 : x
  2. Step 2: Convert to fraction form
    69,043.92/103,557.24 = 27,520.08/x
  3. Step 3: Cross multiply
    69,043.92x = 103,557.24 × 27,520.08
  4. Step 4: Simplify right side
    69,043.92x = 2,849,903,529.38
  5. Step 5: Solve for x
    x = 2,849,903,529.38/69,043.92
  6. Step 6: Final answer
    x = 41,276.68

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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.