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Finding the Fourth Proportional to 7,753.87, 11,625.94 and 5,118.58

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Solution

The fourth proportional to 7,753.87, 11,625.94 and 5,118.58 is: 7,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.87 : 11,625.94 = 5,118.58 : x
  2. Step 2: Convert to fraction form
    7,753.87/11,625.94 = 5,118.58/x
  3. Step 3: Cross multiply
    7,753.87x = 11,625.94 × 5,118.58
  4. Step 4: Simplify right side
    7,753.87x = 59,508,303.97
  5. Step 5: Solve for x
    x = 59,508,303.97/7,753.87
  6. Step 6: Final answer
    x = 7,674.66

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1.5x scale

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.