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Finding the Fourth Proportional to 62,581.02, 86,361.75 and 34,286.46

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Solution

The fourth proportional to 62,581.02, 86,361.75 and 34,286.46 is: 47,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,581.02 : 86,361.75 = 34,286.46 : x
  2. Step 2: Convert to fraction form
    62,581.02/86,361.75 = 34,286.46/x
  3. Step 3: Cross multiply
    62,581.02x = 86,361.75 × 34,286.46
  4. Step 4: Simplify right side
    62,581.02x = 2,961,038,686.91
  5. Step 5: Solve for x
    x = 2,961,038,686.91/62,581.02
  6. Step 6: Final answer
    x = 47,315.28

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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.