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Finding the Fourth Proportional to 5,018.79, 6,926.79 and 2,893.94

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Solution

The fourth proportional to 5,018.79, 6,926.79 and 2,893.94 is: 3,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.79 : 6,926.79 = 2,893.94 : x
  2. Step 2: Convert to fraction form
    5,018.79/6,926.79 = 2,893.94/x
  3. Step 3: Cross multiply
    5,018.79x = 6,926.79 × 2,893.94
  4. Step 4: Simplify right side
    5,018.79x = 20,045,680.02
  5. Step 5: Solve for x
    x = 20,045,680.02/5,018.79
  6. Step 6: Final answer
    x = 3,994.13

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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.