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Finding the Fourth Proportional to 48,796.87, 67,339.13 and 26,440.87

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Solution

The fourth proportional to 48,796.87, 67,339.13 and 26,440.87 is: 36,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,796.87 : 67,339.13 = 26,440.87 : x
  2. Step 2: Convert to fraction form
    48,796.87/67,339.13 = 26,440.87/x
  3. Step 3: Cross multiply
    48,796.87x = 67,339.13 × 26,440.87
  4. Step 4: Simplify right side
    48,796.87x = 1,780,504,881.69
  5. Step 5: Solve for x
    x = 1,780,504,881.69/48,796.87
  6. Step 6: Final answer
    x = 36,488.10

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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.