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Finding the Fourth Proportional to 56,703.93, 84,958.70 and 40,034.13

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Solution

The fourth proportional to 56,703.93, 84,958.70 and 40,034.13 is: 59,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,703.93 : 84,958.70 = 40,034.13 : x
  2. Step 2: Convert to fraction form
    56,703.93/84,958.70 = 40,034.13/x
  3. Step 3: Cross multiply
    56,703.93x = 84,958.70 × 40,034.13
  4. Step 4: Simplify right side
    56,703.93x = 3,401,247,440.26
  5. Step 5: Solve for x
    x = 3,401,247,440.26/56,703.93
  6. Step 6: Final answer
    x = 59,982.57

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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.