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Finding the Fourth Proportional to 9,610.30, 14,383.05 and 8,443.90

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Solution

The fourth proportional to 9,610.30, 14,383.05 and 8,443.90 is: 12,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,610.30 : 14,383.05 = 8,443.90 : x
  2. Step 2: Convert to fraction form
    9,610.30/14,383.05 = 8,443.90/x
  3. Step 3: Cross multiply
    9,610.30x = 14,383.05 × 8,443.90
  4. Step 4: Simplify right side
    9,610.30x = 121,449,035.90
  5. Step 5: Solve for x
    x = 121,449,035.90/9,610.30
  6. Step 6: Final answer
    x = 12,637.38

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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.