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Finding the Fourth Proportional to 13,069.92, 19,601.92 and 3,710.92

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Solution

The fourth proportional to 13,069.92, 19,601.92 and 3,710.92 is: 5,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.92 : 19,601.92 = 3,710.92 : x
  2. Step 2: Convert to fraction form
    13,069.92/19,601.92 = 3,710.92/x
  3. Step 3: Cross multiply
    13,069.92x = 19,601.92 × 3,710.92
  4. Step 4: Simplify right side
    13,069.92x = 72,741,156.97
  5. Step 5: Solve for x
    x = 72,741,156.97/13,069.92
  6. Step 6: Final answer
    x = 5,565.54

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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.