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Finding the Fourth Proportional to 60,493.60, 90,524.40 and 38,317.60

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Solution

The fourth proportional to 60,493.60, 90,524.40 and 38,317.60 is: 57,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,493.60 : 90,524.40 = 38,317.60 : x
  2. Step 2: Convert to fraction form
    60,493.60/90,524.40 = 38,317.60/x
  3. Step 3: Cross multiply
    60,493.60x = 90,524.40 × 38,317.60
  4. Step 4: Simplify right side
    60,493.60x = 3,468,677,749.44
  5. Step 5: Solve for x
    x = 3,468,677,749.44/60,493.60
  6. Step 6: Final answer
    x = 57,339.58

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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.