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Finding the Fourth Proportional to 48,643.88, 72,834.35 and 25,221.11

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Solution

The fourth proportional to 48,643.88, 72,834.35 and 25,221.11 is: 37,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.88 : 72,834.35 = 25,221.11 : x
  2. Step 2: Convert to fraction form
    48,643.88/72,834.35 = 25,221.11/x
  3. Step 3: Cross multiply
    48,643.88x = 72,834.35 × 25,221.11
  4. Step 4: Simplify right side
    48,643.88x = 1,836,962,662.85
  5. Step 5: Solve for x
    x = 1,836,962,662.85/48,643.88
  6. Step 6: Final answer
    x = 37,763.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.