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Finding the Fourth Proportional to 72,046.44, 108,069.66 and 36,963.72

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Solution

The fourth proportional to 72,046.44, 108,069.66 and 36,963.72 is: 55,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046.44 : 108,069.66 = 36,963.72 : x
  2. Step 2: Convert to fraction form
    72,046.44/108,069.66 = 36,963.72/x
  3. Step 3: Cross multiply
    72,046.44x = 108,069.66 × 36,963.72
  4. Step 4: Simplify right side
    72,046.44x = 3,994,656,652.74
  5. Step 5: Solve for x
    x = 3,994,656,652.74/72,046.44
  6. Step 6: Final answer
    x = 55,445.58

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1.5x scale

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.