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Finding the Fourth Proportional to 62,877.99, 86,772.21 and 34,197.93

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Solution

The fourth proportional to 62,877.99, 86,772.21 and 34,197.93 is: 47,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,877.99 : 86,772.21 = 34,197.93 : x
  2. Step 2: Convert to fraction form
    62,877.99/86,772.21 = 34,197.93/x
  3. Step 3: Cross multiply
    62,877.99x = 86,772.21 × 34,197.93
  4. Step 4: Simplify right side
    62,877.99x = 2,967,429,963.53
  5. Step 5: Solve for x
    x = 2,967,429,963.53/62,877.99
  6. Step 6: Final answer
    x = 47,193.46

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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.