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Finding the Fourth Proportional to 36,159.66, 49,894.40 and 22,721.40

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Solution

The fourth proportional to 36,159.66, 49,894.40 and 22,721.40 is: 31,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,159.66 : 49,894.40 = 22,721.40 : x
  2. Step 2: Convert to fraction form
    36,159.66/49,894.40 = 22,721.40/x
  3. Step 3: Cross multiply
    36,159.66x = 49,894.40 × 22,721.40
  4. Step 4: Simplify right side
    36,159.66x = 1,133,670,506.55
  5. Step 5: Solve for x
    x = 1,133,670,506.55/36,159.66
  6. Step 6: Final answer
    x = 31,351.80

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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.