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Finding the Fourth Proportional to 16,610.08, 22,921.76 and 9,158.08

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Solution

The fourth proportional to 16,610.08, 22,921.76 and 9,158.08 is: 12,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610.08 : 22,921.76 = 9,158.08 : x
  2. Step 2: Convert to fraction form
    16,610.08/22,921.76 = 9,158.08/x
  3. Step 3: Cross multiply
    16,610.08x = 22,921.76 × 9,158.08
  4. Step 4: Simplify right side
    16,610.08x = 209,919,311.82
  5. Step 5: Solve for x
    x = 209,919,311.82/16,610.08
  6. Step 6: Final answer
    x = 12,638.07

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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.