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Finding the Fourth Proportional to 2,541.03, 3,506.14 and 1,421.97

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Solution

The fourth proportional to 2,541.03, 3,506.14 and 1,421.97 is: 1,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.03 : 3,506.14 = 1,421.97 : x
  2. Step 2: Convert to fraction form
    2,541.03/3,506.14 = 1,421.97/x
  3. Step 3: Cross multiply
    2,541.03x = 3,506.14 × 1,421.97
  4. Step 4: Simplify right side
    2,541.03x = 4,985,625.90
  5. Step 5: Solve for x
    x = 4,985,625.90/2,541.03
  6. Step 6: Final answer
    x = 1,962.05

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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.