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Finding the Fourth Proportional to 2,503.64, 3,455.62 and 1,718.04

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Solution

The fourth proportional to 2,503.64, 3,455.62 and 1,718.04 is: 2,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.64 : 3,455.62 = 1,718.04 : x
  2. Step 2: Convert to fraction form
    2,503.64/3,455.62 = 1,718.04/x
  3. Step 3: Cross multiply
    2,503.64x = 3,455.62 × 1,718.04
  4. Step 4: Simplify right side
    2,503.64x = 5,936,893.38
  5. Step 5: Solve for x
    x = 5,936,893.38/2,503.64
  6. Step 6: Final answer
    x = 2,371.30

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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.