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Finding the Fourth Proportional to 48,739.70, 67,260.79 and 26,383.70

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Solution

The fourth proportional to 48,739.70, 67,260.79 and 26,383.70 is: 36,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,739.70 : 67,260.79 = 26,383.70 : x
  2. Step 2: Convert to fraction form
    48,739.70/67,260.79 = 26,383.70/x
  3. Step 3: Cross multiply
    48,739.70x = 67,260.79 × 26,383.70
  4. Step 4: Simplify right side
    48,739.70x = 1,774,588,201.80
  5. Step 5: Solve for x
    x = 1,774,588,201.80/48,739.70
  6. Step 6: Final answer
    x = 36,409.51

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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.