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Finding the Fourth Proportional to 63,487.04, 87,611.63 and 34,806.36

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Solution

The fourth proportional to 63,487.04, 87,611.63 and 34,806.36 is: 48,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,487.04 : 87,611.63 = 34,806.36 : x
  2. Step 2: Convert to fraction form
    63,487.04/87,611.63 = 34,806.36/x
  3. Step 3: Cross multiply
    63,487.04x = 87,611.63 × 34,806.36
  4. Step 4: Simplify right side
    63,487.04x = 3,049,441,791.45
  5. Step 5: Solve for x
    x = 3,049,441,791.45/63,487.04
  6. Step 6: Final answer
    x = 48,032.51

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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.