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Finding the Fourth Proportional to 5,026.98, 6,937.24 and 2,788.90

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Solution

The fourth proportional to 5,026.98, 6,937.24 and 2,788.90 is: 3,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.98 : 6,937.24 = 2,788.90 : x
  2. Step 2: Convert to fraction form
    5,026.98/6,937.24 = 2,788.90/x
  3. Step 3: Cross multiply
    5,026.98x = 6,937.24 × 2,788.90
  4. Step 4: Simplify right side
    5,026.98x = 19,347,268.64
  5. Step 5: Solve for x
    x = 19,347,268.64/5,026.98
  6. Step 6: Final answer
    x = 3,848.69

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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.