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Finding the Fourth Proportional to 9,660.30, 14,458.05 and 8,493.90

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Solution

The fourth proportional to 9,660.30, 14,458.05 and 8,493.90 is: 12,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.30 : 14,458.05 = 8,493.90 : x
  2. Step 2: Convert to fraction form
    9,660.30/14,458.05 = 8,493.90/x
  3. Step 3: Cross multiply
    9,660.30x = 14,458.05 × 8,493.90
  4. Step 4: Simplify right side
    9,660.30x = 122,805,230.90
  5. Step 5: Solve for x
    x = 122,805,230.90/9,660.30
  6. Step 6: Final answer
    x = 12,712.36

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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.