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Finding the Fourth Proportional to 2,503, 3,454.14 and 1,455.06

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Solution

The fourth proportional to 2,503, 3,454.14 and 1,455.06 is: 2,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503 : 3,454.14 = 1,455.06 : x
  2. Step 2: Convert to fraction form
    2,503/3,454.14 = 1,455.06/x
  3. Step 3: Cross multiply
    2,503x = 3,454.14 × 1,455.06
  4. Step 4: Simplify right side
    2,503x = 5,025,980.95
  5. Step 5: Solve for x
    x = 5,025,980.95/2,503
  6. Step 6: Final answer
    x = 2,007.98

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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.