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Finding the Fourth Proportional to 68,520.93, 94,561.11 and 37,894.47

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Solution

The fourth proportional to 68,520.93, 94,561.11 and 37,894.47 is: 52,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,520.93 : 94,561.11 = 37,894.47 : x
  2. Step 2: Convert to fraction form
    68,520.93/94,561.11 = 37,894.47/x
  3. Step 3: Cross multiply
    68,520.93x = 94,561.11 × 37,894.47
  4. Step 4: Simplify right side
    68,520.93x = 3,583,343,146.06
  5. Step 5: Solve for x
    x = 3,583,343,146.06/68,520.93
  6. Step 6: Final answer
    x = 52,295.60

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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.