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Finding the Fourth Proportional to 16,579, 22,879.02 and 9,507.76

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Solution

The fourth proportional to 16,579, 22,879.02 and 9,507.76 is: 13,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579 : 22,879.02 = 9,507.76 : x
  2. Step 2: Convert to fraction form
    16,579/22,879.02 = 9,507.76/x
  3. Step 3: Cross multiply
    16,579x = 22,879.02 × 9,507.76
  4. Step 4: Simplify right side
    16,579x = 217,528,231.20
  5. Step 5: Solve for x
    x = 217,528,231.20/16,579
  6. Step 6: Final answer
    x = 13,120.71

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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.