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Finding the Fourth Proportional to 2,964.81, 4,440.81 and 1,402.47

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Solution

The fourth proportional to 2,964.81, 4,440.81 and 1,402.47 is: 2,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.81 : 4,440.81 = 1,402.47 : x
  2. Step 2: Convert to fraction form
    2,964.81/4,440.81 = 1,402.47/x
  3. Step 3: Cross multiply
    2,964.81x = 4,440.81 × 1,402.47
  4. Step 4: Simplify right side
    2,964.81x = 6,228,102.80
  5. Step 5: Solve for x
    x = 6,228,102.80/2,964.81
  6. Step 6: Final answer
    x = 2,100.68

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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.