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Finding the Fourth Proportional to 16,818.28, 25,232.28 and 6,955.72

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Solution

The fourth proportional to 16,818.28, 25,232.28 and 6,955.72 is: 10,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.28 : 25,232.28 = 6,955.72 : x
  2. Step 2: Convert to fraction form
    16,818.28/25,232.28 = 6,955.72/x
  3. Step 3: Cross multiply
    16,818.28x = 25,232.28 × 6,955.72
  4. Step 4: Simplify right side
    16,818.28x = 175,508,674.64
  5. Step 5: Solve for x
    x = 175,508,674.64/16,818.28
  6. Step 6: Final answer
    x = 10,435.59

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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.