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Finding the Fourth Proportional to 3,083.52, 4,254 and 1,756.98

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Solution

The fourth proportional to 3,083.52, 4,254 and 1,756.98 is: 2,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.52 : 4,254 = 1,756.98 : x
  2. Step 2: Convert to fraction form
    3,083.52/4,254 = 1,756.98/x
  3. Step 3: Cross multiply
    3,083.52x = 4,254 × 1,756.98
  4. Step 4: Simplify right side
    3,083.52x = 7,474,192.92
  5. Step 5: Solve for x
    x = 7,474,192.92/3,083.52
  6. Step 6: Final answer
    x = 2,423.92

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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.