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Finding the Fourth Proportional to 8,765.93, 13,154.10 and 3,503.43

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Solution

The fourth proportional to 8,765.93, 13,154.10 and 3,503.43 is: 5,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.93 : 13,154.10 = 3,503.43 : x
  2. Step 2: Convert to fraction form
    8,765.93/13,154.10 = 3,503.43/x
  3. Step 3: Cross multiply
    8,765.93x = 13,154.10 × 3,503.43
  4. Step 4: Simplify right side
    8,765.93x = 46,084,468.56
  5. Step 5: Solve for x
    x = 46,084,468.56/8,765.93
  6. Step 6: Final answer
    x = 5,257.23

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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.