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Finding the Fourth Proportional to 3,673.71, 5,508.12 and 1,207.68

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Solution

The fourth proportional to 3,673.71, 5,508.12 and 1,207.68 is: 1,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.71 : 5,508.12 = 1,207.68 : x
  2. Step 2: Convert to fraction form
    3,673.71/5,508.12 = 1,207.68/x
  3. Step 3: Cross multiply
    3,673.71x = 5,508.12 × 1,207.68
  4. Step 4: Simplify right side
    3,673.71x = 6,652,046.36
  5. Step 5: Solve for x
    x = 6,652,046.36/3,673.71
  6. Step 6: Final answer
    x = 1,810.72

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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.