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Finding the Fourth Proportional to 60,411.86, 90,650.39 and 35,500.58

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Solution

The fourth proportional to 60,411.86, 90,650.39 and 35,500.58 is: 53,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,411.86 : 90,650.39 = 35,500.58 : x
  2. Step 2: Convert to fraction form
    60,411.86/90,650.39 = 35,500.58/x
  3. Step 3: Cross multiply
    60,411.86x = 90,650.39 × 35,500.58
  4. Step 4: Simplify right side
    60,411.86x = 3,218,140,791.47
  5. Step 5: Solve for x
    x = 3,218,140,791.47/60,411.86
  6. Step 6: Final answer
    x = 53,270.02

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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.