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Finding the Fourth Proportional to 63,361.75, 87,437.86 and 34,681.41

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Solution

The fourth proportional to 63,361.75, 87,437.86 and 34,681.41 is: 47,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,361.75 : 87,437.86 = 34,681.41 : x
  2. Step 2: Convert to fraction form
    63,361.75/87,437.86 = 34,681.41/x
  3. Step 3: Cross multiply
    63,361.75x = 87,437.86 × 34,681.41
  4. Step 4: Simplify right side
    63,361.75x = 3,032,468,272.18
  5. Step 5: Solve for x
    x = 3,032,468,272.18/63,361.75
  6. Step 6: Final answer
    x = 47,859.60

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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.