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Finding the Fourth Proportional to 23,289.92, 34,932.96 and 7,702.40

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Solution

The fourth proportional to 23,289.92, 34,932.96 and 7,702.40 is: 11,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.92 : 34,932.96 = 7,702.40 : x
  2. Step 2: Convert to fraction form
    23,289.92/34,932.96 = 7,702.40/x
  3. Step 3: Cross multiply
    23,289.92x = 34,932.96 × 7,702.40
  4. Step 4: Simplify right side
    23,289.92x = 269,067,631.10
  5. Step 5: Solve for x
    x = 269,067,631.10/23,289.92
  6. Step 6: Final answer
    x = 11,552.97

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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.