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Finding the Fourth Proportional to 4,001.76, 6,002.64 and 1,404.09

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Solution

The fourth proportional to 4,001.76, 6,002.64 and 1,404.09 is: 2,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.76 : 6,002.64 = 1,404.09 : x
  2. Step 2: Convert to fraction form
    4,001.76/6,002.64 = 1,404.09/x
  3. Step 3: Cross multiply
    4,001.76x = 6,002.64 × 1,404.09
  4. Step 4: Simplify right side
    4,001.76x = 8,428,246.80
  5. Step 5: Solve for x
    x = 8,428,246.80/4,001.76
  6. Step 6: Final answer
    x = 2,106.14

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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.