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Finding the Fourth Proportional to 9,267.56, 13,951 and 8,315

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Solution

The fourth proportional to 9,267.56, 13,951 and 8,315 is: 12,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.56 : 13,951 = 8,315 : x
  2. Step 2: Convert to fraction form
    9,267.56/13,951 = 8,315/x
  3. Step 3: Cross multiply
    9,267.56x = 13,951 × 8,315
  4. Step 4: Simplify right side
    9,267.56x = 116,002,565
  5. Step 5: Solve for x
    x = 116,002,565/9,267.56
  6. Step 6: Final answer
    x = 12,517.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.