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Finding the Fourth Proportional to 2,673, 4,002.21 and 1,434.92

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Solution

The fourth proportional to 2,673, 4,002.21 and 1,434.92 is: 2,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673 : 4,002.21 = 1,434.92 : x
  2. Step 2: Convert to fraction form
    2,673/4,002.21 = 1,434.92/x
  3. Step 3: Cross multiply
    2,673x = 4,002.21 × 1,434.92
  4. Step 4: Simplify right side
    2,673x = 5,742,831.16
  5. Step 5: Solve for x
    x = 5,742,831.16/2,673
  6. Step 6: Final answer
    x = 2,148.46

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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.