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Finding the Fourth Proportional to 17,007.70, 25,511.55 and 6,612.70

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Solution

The fourth proportional to 17,007.70, 25,511.55 and 6,612.70 is: 9,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.70 : 25,511.55 = 6,612.70 : x
  2. Step 2: Convert to fraction form
    17,007.70/25,511.55 = 6,612.70/x
  3. Step 3: Cross multiply
    17,007.70x = 25,511.55 × 6,612.70
  4. Step 4: Simplify right side
    17,007.70x = 168,700,226.69
  5. Step 5: Solve for x
    x = 168,700,226.69/17,007.70
  6. Step 6: Final answer
    x = 9,919.05

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Similar ratio
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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.