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Finding the Fourth Proportional to 14,442.92, 19,928.80 and 8,069.27

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Solution

The fourth proportional to 14,442.92, 19,928.80 and 8,069.27 is: 11,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.92 : 19,928.80 = 8,069.27 : x
  2. Step 2: Convert to fraction form
    14,442.92/19,928.80 = 8,069.27/x
  3. Step 3: Cross multiply
    14,442.92x = 19,928.80 × 8,069.27
  4. Step 4: Simplify right side
    14,442.92x = 160,810,856.48
  5. Step 5: Solve for x
    x = 160,810,856.48/14,442.92
  6. Step 6: Final answer
    x = 11,134.23

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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.