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Finding the Fourth Proportional to 7,764.03, 10,716.30 and 4,408.83

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Solution

The fourth proportional to 7,764.03, 10,716.30 and 4,408.83 is: 6,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.03 : 10,716.30 = 4,408.83 : x
  2. Step 2: Convert to fraction form
    7,764.03/10,716.30 = 4,408.83/x
  3. Step 3: Cross multiply
    7,764.03x = 10,716.30 × 4,408.83
  4. Step 4: Simplify right side
    7,764.03x = 47,246,344.93
  5. Step 5: Solve for x
    x = 47,246,344.93/7,764.03
  6. Step 6: Final answer
    x = 6,085.29

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1.5x scale

Why These Related Problems?

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