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Finding the Fourth Proportional to 16,579.72, 22,881.06 and 9,508.60

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Solution

The fourth proportional to 16,579.72, 22,881.06 and 9,508.60 is: 13,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579.72 : 22,881.06 = 9,508.60 : x
  2. Step 2: Convert to fraction form
    16,579.72/22,881.06 = 9,508.60/x
  3. Step 3: Cross multiply
    16,579.72x = 22,881.06 × 9,508.60
  4. Step 4: Simplify right side
    16,579.72x = 217,566,847.12
  5. Step 5: Solve for x
    x = 217,566,847.12/16,579.72
  6. Step 6: Final answer
    x = 13,122.47

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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.