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Finding the Fourth Proportional to 3,153.50, 4,351.86 and 1,756.52

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Solution

The fourth proportional to 3,153.50, 4,351.86 and 1,756.52 is: 2,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.50 : 4,351.86 = 1,756.52 : x
  2. Step 2: Convert to fraction form
    3,153.50/4,351.86 = 1,756.52/x
  3. Step 3: Cross multiply
    3,153.50x = 4,351.86 × 1,756.52
  4. Step 4: Simplify right side
    3,153.50x = 7,644,129.13
  5. Step 5: Solve for x
    x = 7,644,129.13/3,153.50
  6. Step 6: Final answer
    x = 2,424.01

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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.