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Finding the Fourth Proportional to 16,968.20, 25,460.79 and 7,614.91

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Solution

The fourth proportional to 16,968.20, 25,460.79 and 7,614.91 is: 11,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.20 : 25,460.79 = 7,614.91 : x
  2. Step 2: Convert to fraction form
    16,968.20/25,460.79 = 7,614.91/x
  3. Step 3: Cross multiply
    16,968.20x = 25,460.79 × 7,614.91
  4. Step 4: Simplify right side
    16,968.20x = 193,881,624.38
  5. Step 5: Solve for x
    x = 193,881,624.38/16,968.20
  6. Step 6: Final answer
    x = 11,426.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.