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Finding the Fourth Proportional to 7,241.80, 9,995.94 and 5,752.36

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Solution

The fourth proportional to 7,241.80, 9,995.94 and 5,752.36 is: 7,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.80 : 9,995.94 = 5,752.36 : x
  2. Step 2: Convert to fraction form
    7,241.80/9,995.94 = 5,752.36/x
  3. Step 3: Cross multiply
    7,241.80x = 9,995.94 × 5,752.36
  4. Step 4: Simplify right side
    7,241.80x = 57,500,245.42
  5. Step 5: Solve for x
    x = 57,500,245.42/7,241.80
  6. Step 6: Final answer
    x = 7,940.05

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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.