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Finding the Fourth Proportional to 55,696.98, 83,394.81 and 40,792.98

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Solution

The fourth proportional to 55,696.98, 83,394.81 and 40,792.98 is: 61,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,696.98 : 83,394.81 = 40,792.98 : x
  2. Step 2: Convert to fraction form
    55,696.98/83,394.81 = 40,792.98/x
  3. Step 3: Cross multiply
    55,696.98x = 83,394.81 × 40,792.98
  4. Step 4: Simplify right side
    55,696.98x = 3,401,922,816.43
  5. Step 5: Solve for x
    x = 3,401,922,816.43/55,696.98
  6. Step 6: Final answer
    x = 61,079.13

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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.