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Finding the Fourth Proportional to 50,348.66, 69,481.95 and 27,688.64

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Solution

The fourth proportional to 50,348.66, 69,481.95 and 27,688.64 is: 38,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,348.66 : 69,481.95 = 27,688.64 : x
  2. Step 2: Convert to fraction form
    50,348.66/69,481.95 = 27,688.64/x
  3. Step 3: Cross multiply
    50,348.66x = 69,481.95 × 27,688.64
  4. Step 4: Simplify right side
    50,348.66x = 1,923,860,700.05
  5. Step 5: Solve for x
    x = 1,923,860,700.05/50,348.66
  6. Step 6: Final answer
    x = 38,210.76

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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.