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Finding the Fourth Proportional to 7,167.29, 10,755.12 and 3,006.98

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Solution

The fourth proportional to 7,167.29, 10,755.12 and 3,006.98 is: 4,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.29 : 10,755.12 = 3,006.98 : x
  2. Step 2: Convert to fraction form
    7,167.29/10,755.12 = 3,006.98/x
  3. Step 3: Cross multiply
    7,167.29x = 10,755.12 × 3,006.98
  4. Step 4: Simplify right side
    7,167.29x = 32,340,430.74
  5. Step 5: Solve for x
    x = 32,340,430.74/7,167.29
  6. Step 6: Final answer
    x = 4,512.23

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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.