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Finding the Fourth Proportional to 17,951.28, 24,768.36 and 10,499.28

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Solution

The fourth proportional to 17,951.28, 24,768.36 and 10,499.28 is: 14,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.28 : 24,768.36 = 10,499.28 : x
  2. Step 2: Convert to fraction form
    17,951.28/24,768.36 = 10,499.28/x
  3. Step 3: Cross multiply
    17,951.28x = 24,768.36 × 10,499.28
  4. Step 4: Simplify right side
    17,951.28x = 260,049,946.78
  5. Step 5: Solve for x
    x = 260,049,946.78/17,951.28
  6. Step 6: Final answer
    x = 14,486.43

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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.