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Finding the Fourth Proportional to 4,994.78, 6,892.52 and 2,756.51

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Solution

The fourth proportional to 4,994.78, 6,892.52 and 2,756.51 is: 3,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.78 : 6,892.52 = 2,756.51 : x
  2. Step 2: Convert to fraction form
    4,994.78/6,892.52 = 2,756.51/x
  3. Step 3: Cross multiply
    4,994.78x = 6,892.52 × 2,756.51
  4. Step 4: Simplify right side
    4,994.78x = 18,999,252.06
  5. Step 5: Solve for x
    x = 18,999,252.06/4,994.78
  6. Step 6: Final answer
    x = 3,803.82

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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.