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Finding the Fourth Proportional to 8,773.11, 13,162.93 and 5,265.63

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Solution

The fourth proportional to 8,773.11, 13,162.93 and 5,265.63 is: 7,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.11 : 13,162.93 = 5,265.63 : x
  2. Step 2: Convert to fraction form
    8,773.11/13,162.93 = 5,265.63/x
  3. Step 3: Cross multiply
    8,773.11x = 13,162.93 × 5,265.63
  4. Step 4: Simplify right side
    8,773.11x = 69,311,105.93
  5. Step 5: Solve for x
    x = 69,311,105.93/8,773.11
  6. Step 6: Final answer
    x = 7,900.40

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Why These Related Problems?

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