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Finding the Fourth Proportional to 50,940.66, 76,348.08 and 36,948.72

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Solution

The fourth proportional to 50,940.66, 76,348.08 and 36,948.72 is: 55,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,940.66 : 76,348.08 = 36,948.72 : x
  2. Step 2: Convert to fraction form
    50,940.66/76,348.08 = 36,948.72/x
  3. Step 3: Cross multiply
    50,940.66x = 76,348.08 × 36,948.72
  4. Step 4: Simplify right side
    50,940.66x = 2,820,963,830.46
  5. Step 5: Solve for x
    x = 2,820,963,830.46/50,940.66
  6. Step 6: Final answer
    x = 55,377.45

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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.