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Finding the Fourth Proportional to 2,699.07, 4,048.64 and 751.24

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Solution

The fourth proportional to 2,699.07, 4,048.64 and 751.24 is: 1,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.07 : 4,048.64 = 751.24 : x
  2. Step 2: Convert to fraction form
    2,699.07/4,048.64 = 751.24/x
  3. Step 3: Cross multiply
    2,699.07x = 4,048.64 × 751.24
  4. Step 4: Simplify right side
    2,699.07x = 3,041,500.31
  5. Step 5: Solve for x
    x = 3,041,500.31/2,699.07
  6. Step 6: Final answer
    x = 1,126.87

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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.