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Finding the Fourth Proportional to 46,212, 63,772.29 and 24,991.20

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Solution

The fourth proportional to 46,212, 63,772.29 and 24,991.20 is: 34,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,212 : 63,772.29 = 24,991.20 : x
  2. Step 2: Convert to fraction form
    46,212/63,772.29 = 24,991.20/x
  3. Step 3: Cross multiply
    46,212x = 63,772.29 × 24,991.20
  4. Step 4: Simplify right side
    46,212x = 1,593,746,053.85
  5. Step 5: Solve for x
    x = 1,593,746,053.85/46,212
  6. Step 6: Final answer
    x = 34,487.71

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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.