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Finding the Fourth Proportional to 9,266.76, 13,895.82 and 5,372.28

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Solution

The fourth proportional to 9,266.76, 13,895.82 and 5,372.28 is: 8,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.76 : 13,895.82 = 5,372.28 : x
  2. Step 2: Convert to fraction form
    9,266.76/13,895.82 = 5,372.28/x
  3. Step 3: Cross multiply
    9,266.76x = 13,895.82 × 5,372.28
  4. Step 4: Simplify right side
    9,266.76x = 74,652,235.87
  5. Step 5: Solve for x
    x = 74,652,235.87/9,266.76
  6. Step 6: Final answer
    x = 8,055.92

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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.