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Finding the Fourth Proportional to 62,812.56, 86,621.49 and 41,264.16

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Solution

The fourth proportional to 62,812.56, 86,621.49 and 41,264.16 is: 56,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,812.56 : 86,621.49 = 41,264.16 : x
  2. Step 2: Convert to fraction form
    62,812.56/86,621.49 = 41,264.16/x
  3. Step 3: Cross multiply
    62,812.56x = 86,621.49 × 41,264.16
  4. Step 4: Simplify right side
    62,812.56x = 3,574,363,022.80
  5. Step 5: Solve for x
    x = 3,574,363,022.80/62,812.56
  6. Step 6: Final answer
    x = 56,905.23

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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.