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Finding the Fourth Proportional to 50,484.64, 75,629.82 and 28,230.52

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Solution

The fourth proportional to 50,484.64, 75,629.82 and 28,230.52 is: 42,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,484.64 : 75,629.82 = 28,230.52 : x
  2. Step 2: Convert to fraction form
    50,484.64/75,629.82 = 28,230.52/x
  3. Step 3: Cross multiply
    50,484.64x = 75,629.82 × 28,230.52
  4. Step 4: Simplify right side
    50,484.64x = 2,135,069,146.11
  5. Step 5: Solve for x
    x = 2,135,069,146.11/50,484.64
  6. Step 6: Final answer
    x = 42,291.46

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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.