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Finding the Fourth Proportional to 16,775.56, 25,148.88 and 6,908.68

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Solution

The fourth proportional to 16,775.56, 25,148.88 and 6,908.68 is: 10,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.56 : 25,148.88 = 6,908.68 : x
  2. Step 2: Convert to fraction form
    16,775.56/25,148.88 = 6,908.68/x
  3. Step 3: Cross multiply
    16,775.56x = 25,148.88 × 6,908.68
  4. Step 4: Simplify right side
    16,775.56x = 173,745,564.28
  5. Step 5: Solve for x
    x = 173,745,564.28/16,775.56
  6. Step 6: Final answer
    x = 10,357.06

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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.