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Finding the Fourth Proportional to 4,986.01, 7,479.08 and 2,388.34

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Solution

The fourth proportional to 4,986.01, 7,479.08 and 2,388.34 is: 3,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.01 : 7,479.08 = 2,388.34 : x
  2. Step 2: Convert to fraction form
    4,986.01/7,479.08 = 2,388.34/x
  3. Step 3: Cross multiply
    4,986.01x = 7,479.08 × 2,388.34
  4. Step 4: Simplify right side
    4,986.01x = 17,862,585.93
  5. Step 5: Solve for x
    x = 17,862,585.93/4,986.01
  6. Step 6: Final answer
    x = 3,582.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.