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Finding the Fourth Proportional to 9,073, 12,521.82 and 5,347

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Solution

The fourth proportional to 9,073, 12,521.82 and 5,347 is: 7,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073 : 12,521.82 = 5,347 : x
  2. Step 2: Convert to fraction form
    9,073/12,521.82 = 5,347/x
  3. Step 3: Cross multiply
    9,073x = 12,521.82 × 5,347
  4. Step 4: Simplify right side
    9,073x = 66,954,171.54
  5. Step 5: Solve for x
    x = 66,954,171.54/9,073
  6. Step 6: Final answer
    x = 7,379.50

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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.