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Finding the Fourth Proportional to 16,463.73, 22,719.74 and 9,390.27

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Solution

The fourth proportional to 16,463.73, 22,719.74 and 9,390.27 is: 12,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,463.73 : 22,719.74 = 9,390.27 : x
  2. Step 2: Convert to fraction form
    16,463.73/22,719.74 = 9,390.27/x
  3. Step 3: Cross multiply
    16,463.73x = 22,719.74 × 9,390.27
  4. Step 4: Simplify right side
    16,463.73x = 213,344,445.98
  5. Step 5: Solve for x
    x = 213,344,445.98/16,463.73
  6. Step 6: Final answer
    x = 12,958.45

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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.