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Finding the Fourth Proportional to 8,758.03, 12,083.15 and 5,353.82

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Solution

The fourth proportional to 8,758.03, 12,083.15 and 5,353.82 is: 7,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.03 : 12,083.15 = 5,353.82 : x
  2. Step 2: Convert to fraction form
    8,758.03/12,083.15 = 5,353.82/x
  3. Step 3: Cross multiply
    8,758.03x = 12,083.15 × 5,353.82
  4. Step 4: Simplify right side
    8,758.03x = 64,690,983.36
  5. Step 5: Solve for x
    x = 64,690,983.36/8,758.03
  6. Step 6: Final answer
    x = 7,386.48

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