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Finding the Fourth Proportional to 16,956.17, 25,445.54 and 6,969.11

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Solution

The fourth proportional to 16,956.17, 25,445.54 and 6,969.11 is: 10,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.17 : 25,445.54 = 6,969.11 : x
  2. Step 2: Convert to fraction form
    16,956.17/25,445.54 = 6,969.11/x
  3. Step 3: Cross multiply
    16,956.17x = 25,445.54 × 6,969.11
  4. Step 4: Simplify right side
    16,956.17x = 177,332,605.20
  5. Step 5: Solve for x
    x = 177,332,605.20/16,956.17
  6. Step 6: Final answer
    x = 10,458.29

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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.