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Finding the Fourth Proportional to 7,266.13, 10,900.81 and 2,649.13

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Solution

The fourth proportional to 7,266.13, 10,900.81 and 2,649.13 is: 3,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.13 : 10,900.81 = 2,649.13 : x
  2. Step 2: Convert to fraction form
    7,266.13/10,900.81 = 2,649.13/x
  3. Step 3: Cross multiply
    7,266.13x = 10,900.81 × 2,649.13
  4. Step 4: Simplify right side
    7,266.13x = 28,877,662.80
  5. Step 5: Solve for x
    x = 28,877,662.80/7,266.13
  6. Step 6: Final answer
    x = 3,974.28

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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.