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Finding the Fourth Proportional to 8,982.50, 12,395.84 and 5,003.57

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Solution

The fourth proportional to 8,982.50, 12,395.84 and 5,003.57 is: 6,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.50 : 12,395.84 = 5,003.57 : x
  2. Step 2: Convert to fraction form
    8,982.50/12,395.84 = 5,003.57/x
  3. Step 3: Cross multiply
    8,982.50x = 12,395.84 × 5,003.57
  4. Step 4: Simplify right side
    8,982.50x = 62,023,459.12
  5. Step 5: Solve for x
    x = 62,023,459.12/8,982.50
  6. Step 6: Final answer
    x = 6,904.93

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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.