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Finding the Fourth Proportional to 51,346.60, 70,906.79 and 48,550.98

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Solution

The fourth proportional to 51,346.60, 70,906.79 and 48,550.98 is: 67,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,346.60 : 70,906.79 = 48,550.98 : x
  2. Step 2: Convert to fraction form
    51,346.60/70,906.79 = 48,550.98/x
  3. Step 3: Cross multiply
    51,346.60x = 70,906.79 × 48,550.98
  4. Step 4: Simplify right side
    51,346.60x = 3,442,594,143.15
  5. Step 5: Solve for x
    x = 3,442,594,143.15/51,346.60
  6. Step 6: Final answer
    x = 67,046.19

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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.