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Finding the Fourth Proportional to 49,937.88, 68,913.90 and 27,276.88

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Solution

The fourth proportional to 49,937.88, 68,913.90 and 27,276.88 is: 37,641.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,937.88 : 68,913.90 = 27,276.88 : x
  2. Step 2: Convert to fraction form
    49,937.88/68,913.90 = 27,276.88/x
  3. Step 3: Cross multiply
    49,937.88x = 68,913.90 × 27,276.88
  4. Step 4: Simplify right side
    49,937.88x = 1,879,756,180.63
  5. Step 5: Solve for x
    x = 1,879,756,180.63/49,937.88
  6. Step 6: Final answer
    x = 37,641.89

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1.5x scale

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.