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Finding the Fourth Proportional to 40,940.93, 60,988.86 and 39,701.93

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Solution

The fourth proportional to 40,940.93, 60,988.86 and 39,701.93 is: 59,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,940.93 : 60,988.86 = 39,701.93 : x
  2. Step 2: Convert to fraction form
    40,940.93/60,988.86 = 39,701.93/x
  3. Step 3: Cross multiply
    40,940.93x = 60,988.86 × 39,701.93
  4. Step 4: Simplify right side
    40,940.93x = 2,421,375,145.56
  5. Step 5: Solve for x
    x = 2,421,375,145.56/40,940.93
  6. Step 6: Final answer
    x = 59,143.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.