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Finding the Fourth Proportional to 14,654.91, 21,945.91 and 10,251.75

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Solution

The fourth proportional to 14,654.91, 21,945.91 and 10,251.75 is: 15,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.91 : 21,945.91 = 10,251.75 : x
  2. Step 2: Convert to fraction form
    14,654.91/21,945.91 = 10,251.75/x
  3. Step 3: Cross multiply
    14,654.91x = 21,945.91 × 10,251.75
  4. Step 4: Simplify right side
    14,654.91x = 224,983,982.84
  5. Step 5: Solve for x
    x = 224,983,982.84/14,654.91
  6. Step 6: Final answer
    x = 15,352.12

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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.