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Finding the Fourth Proportional to 7,266.88, 10,028.10 and 4,282.90

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Solution

The fourth proportional to 7,266.88, 10,028.10 and 4,282.90 is: 5,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.88 : 10,028.10 = 4,282.90 : x
  2. Step 2: Convert to fraction form
    7,266.88/10,028.10 = 4,282.90/x
  3. Step 3: Cross multiply
    7,266.88x = 10,028.10 × 4,282.90
  4. Step 4: Simplify right side
    7,266.88x = 42,949,349.49
  5. Step 5: Solve for x
    x = 42,949,349.49/7,266.88
  6. Step 6: Final answer
    x = 5,910.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.