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Finding the Fourth Proportional to 16,807.65, 25,211.49 and 4,327.70

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Solution

The fourth proportional to 16,807.65, 25,211.49 and 4,327.70 is: 6,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.65 : 25,211.49 = 4,327.70 : x
  2. Step 2: Convert to fraction form
    16,807.65/25,211.49 = 4,327.70/x
  3. Step 3: Cross multiply
    16,807.65x = 25,211.49 × 4,327.70
  4. Step 4: Simplify right side
    16,807.65x = 109,107,765.27
  5. Step 5: Solve for x
    x = 109,107,765.27/16,807.65
  6. Step 6: Final answer
    x = 6,491.55

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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.