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Finding the Fourth Proportional to 2,400.42, 3,600.45 and 756.93

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Solution

The fourth proportional to 2,400.42, 3,600.45 and 756.93 is: 1,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.42 : 3,600.45 = 756.93 : x
  2. Step 2: Convert to fraction form
    2,400.42/3,600.45 = 756.93/x
  3. Step 3: Cross multiply
    2,400.42x = 3,600.45 × 756.93
  4. Step 4: Simplify right side
    2,400.42x = 2,725,288.62
  5. Step 5: Solve for x
    x = 2,725,288.62/2,400.42
  6. Step 6: Final answer
    x = 1,135.34

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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.