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Finding the Fourth Proportional to 4,883.52, 7,325.52 and 1,421.04

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Solution

The fourth proportional to 4,883.52, 7,325.52 and 1,421.04 is: 2,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.52 : 7,325.52 = 1,421.04 : x
  2. Step 2: Convert to fraction form
    4,883.52/7,325.52 = 1,421.04/x
  3. Step 3: Cross multiply
    4,883.52x = 7,325.52 × 1,421.04
  4. Step 4: Simplify right side
    4,883.52x = 10,409,856.94
  5. Step 5: Solve for x
    x = 10,409,856.94/4,883.52
  6. Step 6: Final answer
    x = 2,131.63

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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.