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Finding the Fourth Proportional to 8,774.61, 13,165.19 and 5,267.13

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Solution

The fourth proportional to 8,774.61, 13,165.19 and 5,267.13 is: 7,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.61 : 13,165.19 = 5,267.13 : x
  2. Step 2: Convert to fraction form
    8,774.61/13,165.19 = 5,267.13/x
  3. Step 3: Cross multiply
    8,774.61x = 13,165.19 × 5,267.13
  4. Step 4: Simplify right side
    8,774.61x = 69,342,740.87
  5. Step 5: Solve for x
    x = 69,342,740.87/8,774.61
  6. Step 6: Final answer
    x = 7,902.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.