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Finding the Fourth Proportional to 9,235.92, 12,745.20 and 5,044.32

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Solution

The fourth proportional to 9,235.92, 12,745.20 and 5,044.32 is: 6,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.92 : 12,745.20 = 5,044.32 : x
  2. Step 2: Convert to fraction form
    9,235.92/12,745.20 = 5,044.32/x
  3. Step 3: Cross multiply
    9,235.92x = 12,745.20 × 5,044.32
  4. Step 4: Simplify right side
    9,235.92x = 64,290,867.26
  5. Step 5: Solve for x
    x = 64,290,867.26/9,235.92
  6. Step 6: Final answer
    x = 6,960.96

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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.