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Finding the Fourth Proportional to 60,753.86, 91,214.73 and 41,987.66

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Solution

The fourth proportional to 60,753.86, 91,214.73 and 41,987.66 is: 63,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,753.86 : 91,214.73 = 41,987.66 : x
  2. Step 2: Convert to fraction form
    60,753.86/91,214.73 = 41,987.66/x
  3. Step 3: Cross multiply
    60,753.86x = 91,214.73 × 41,987.66
  4. Step 4: Simplify right side
    60,753.86x = 3,829,893,070.23
  5. Step 5: Solve for x
    x = 3,829,893,070.23/60,753.86
  6. Step 6: Final answer
    x = 63,039.50

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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.