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Finding the Fourth Proportional to 6,371.70, 9,567.12 and 5,501.06

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Solution

The fourth proportional to 6,371.70, 9,567.12 and 5,501.06 is: 8,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.70 : 9,567.12 = 5,501.06 : x
  2. Step 2: Convert to fraction form
    6,371.70/9,567.12 = 5,501.06/x
  3. Step 3: Cross multiply
    6,371.70x = 9,567.12 × 5,501.06
  4. Step 4: Simplify right side
    6,371.70x = 52,629,301.15
  5. Step 5: Solve for x
    x = 52,629,301.15/6,371.70
  6. Step 6: Final answer
    x = 8,259.85

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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.