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Finding the Fourth Proportional to 60,408.86, 90,645.89 and 35,497.58

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Solution

The fourth proportional to 60,408.86, 90,645.89 and 35,497.58 is: 53,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,408.86 : 90,645.89 = 35,497.58 : x
  2. Step 2: Convert to fraction form
    60,408.86/90,645.89 = 35,497.58/x
  3. Step 3: Cross multiply
    60,408.86x = 90,645.89 × 35,497.58
  4. Step 4: Simplify right side
    60,408.86x = 3,217,709,101.23
  5. Step 5: Solve for x
    x = 3,217,709,101.23/60,408.86
  6. Step 6: Final answer
    x = 53,265.52

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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.