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Finding the Fourth Proportional to 7,325.47, 10,994.11 and 3,816.55

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Solution

The fourth proportional to 7,325.47, 10,994.11 and 3,816.55 is: 5,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.47 : 10,994.11 = 3,816.55 : x
  2. Step 2: Convert to fraction form
    7,325.47/10,994.11 = 3,816.55/x
  3. Step 3: Cross multiply
    7,325.47x = 10,994.11 × 3,816.55
  4. Step 4: Simplify right side
    7,325.47x = 41,959,570.52
  5. Step 5: Solve for x
    x = 41,959,570.52/7,325.47
  6. Step 6: Final answer
    x = 5,727.90

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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.