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Finding the Fourth Proportional to 52,342.40, 72,201.72 and 32,930.44

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Solution

The fourth proportional to 52,342.40, 72,201.72 and 32,930.44 is: 45,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,342.40 : 72,201.72 = 32,930.44 : x
  2. Step 2: Convert to fraction form
    52,342.40/72,201.72 = 32,930.44/x
  3. Step 3: Cross multiply
    52,342.40x = 72,201.72 × 32,930.44
  4. Step 4: Simplify right side
    52,342.40x = 2,377,634,408.36
  5. Step 5: Solve for x
    x = 2,377,634,408.36/52,342.40
  6. Step 6: Final answer
    x = 45,424.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.