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Finding the Fourth Proportional to 63,522.63, 87,603.93 and 39,651.53

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Solution

The fourth proportional to 63,522.63, 87,603.93 and 39,651.53 is: 54,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,522.63 : 87,603.93 = 39,651.53 : x
  2. Step 2: Convert to fraction form
    63,522.63/87,603.93 = 39,651.53/x
  3. Step 3: Cross multiply
    63,522.63x = 87,603.93 × 39,651.53
  4. Step 4: Simplify right side
    63,522.63x = 3,473,629,420.49
  5. Step 5: Solve for x
    x = 3,473,629,420.49/63,522.63
  6. Step 6: Final answer
    x = 54,683.34

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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.