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Finding the Fourth Proportional to 16,474.66, 22,736.67 and 9,402.15

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Solution

The fourth proportional to 16,474.66, 22,736.67 and 9,402.15 is: 12,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.66 : 22,736.67 = 9,402.15 : x
  2. Step 2: Convert to fraction form
    16,474.66/22,736.67 = 9,402.15/x
  3. Step 3: Cross multiply
    16,474.66x = 22,736.67 × 9,402.15
  4. Step 4: Simplify right side
    16,474.66x = 213,773,581.84
  5. Step 5: Solve for x
    x = 213,773,581.84/16,474.66
  6. Step 6: Final answer
    x = 12,975.90

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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.