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Finding the Fourth Proportional to 48,553.44, 72,736.86 and 29,778.74

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Solution

The fourth proportional to 48,553.44, 72,736.86 and 29,778.74 is: 44,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,553.44 : 72,736.86 = 29,778.74 : x
  2. Step 2: Convert to fraction form
    48,553.44/72,736.86 = 29,778.74/x
  3. Step 3: Cross multiply
    48,553.44x = 72,736.86 × 29,778.74
  4. Step 4: Simplify right side
    48,553.44x = 2,166,012,042.36
  5. Step 5: Solve for x
    x = 2,166,012,042.36/48,553.44
  6. Step 6: Final answer
    x = 44,610.89

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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.