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Finding the Fourth Proportional to 40,942.93, 60,991.84 and 39,703.93

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Solution

The fourth proportional to 40,942.93, 60,991.84 and 39,703.93 is: 59,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942.93 : 60,991.84 = 39,703.93 : x
  2. Step 2: Convert to fraction form
    40,942.93/60,991.84 = 39,703.93/x
  3. Step 3: Cross multiply
    40,942.93x = 60,991.84 × 39,703.93
  4. Step 4: Simplify right side
    40,942.93x = 2,421,615,745.93
  5. Step 5: Solve for x
    x = 2,421,615,745.93/40,942.93
  6. Step 6: Final answer
    x = 59,146.13

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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.