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Finding the Fourth Proportional to 60,812.04, 83,940.66 and 35,661

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Solution

The fourth proportional to 60,812.04, 83,940.66 and 35,661 is: 49,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,812.04 : 83,940.66 = 35,661 : x
  2. Step 2: Convert to fraction form
    60,812.04/83,940.66 = 35,661/x
  3. Step 3: Cross multiply
    60,812.04x = 83,940.66 × 35,661
  4. Step 4: Simplify right side
    60,812.04x = 2,993,407,876.26
  5. Step 5: Solve for x
    x = 2,993,407,876.26/60,812.04
  6. Step 6: Final answer
    x = 49,223.93

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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.