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Finding the Fourth Proportional to 4,886.96, 6,742.83 and 2,898.01

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Solution

The fourth proportional to 4,886.96, 6,742.83 and 2,898.01 is: 3,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.96 : 6,742.83 = 2,898.01 : x
  2. Step 2: Convert to fraction form
    4,886.96/6,742.83 = 2,898.01/x
  3. Step 3: Cross multiply
    4,886.96x = 6,742.83 × 2,898.01
  4. Step 4: Simplify right side
    4,886.96x = 19,540,771.91
  5. Step 5: Solve for x
    x = 19,540,771.91/4,886.96
  6. Step 6: Final answer
    x = 3,998.55

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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.