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Finding the Fourth Proportional to 2,503.53, 3,754.71 and 943.70

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Solution

The fourth proportional to 2,503.53, 3,754.71 and 943.70 is: 1,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.53 : 3,754.71 = 943.70 : x
  2. Step 2: Convert to fraction form
    2,503.53/3,754.71 = 943.70/x
  3. Step 3: Cross multiply
    2,503.53x = 3,754.71 × 943.70
  4. Step 4: Simplify right side
    2,503.53x = 3,543,301.05
  5. Step 5: Solve for x
    x = 3,543,301.05/2,503.53
  6. Step 6: Final answer
    x = 1,415.32

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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.