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Finding the Fourth Proportional to 64,328.36, 88,772.10 and 36,033.96

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Solution

The fourth proportional to 64,328.36, 88,772.10 and 36,033.96 is: 49,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,328.36 : 88,772.10 = 36,033.96 : x
  2. Step 2: Convert to fraction form
    64,328.36/88,772.10 = 36,033.96/x
  3. Step 3: Cross multiply
    64,328.36x = 88,772.10 × 36,033.96
  4. Step 4: Simplify right side
    64,328.36x = 3,198,810,300.52
  5. Step 5: Solve for x
    x = 3,198,810,300.52/64,328.36
  6. Step 6: Final answer
    x = 49,726.28

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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.