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Finding the Fourth Proportional to 13,164.70, 19,747.05 and 6,252.70

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Solution

The fourth proportional to 13,164.70, 19,747.05 and 6,252.70 is: 9,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.70 : 19,747.05 = 6,252.70 : x
  2. Step 2: Convert to fraction form
    13,164.70/19,747.05 = 6,252.70/x
  3. Step 3: Cross multiply
    13,164.70x = 19,747.05 × 6,252.70
  4. Step 4: Simplify right side
    13,164.70x = 123,472,379.54
  5. Step 5: Solve for x
    x = 123,472,379.54/13,164.70
  6. Step 6: Final answer
    x = 9,379.05

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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.