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Finding the Fourth Proportional to 48,986, 67,601.16 and 26,630.48

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Solution

The fourth proportional to 48,986, 67,601.16 and 26,630.48 is: 36,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,986 : 67,601.16 = 26,630.48 : x
  2. Step 2: Convert to fraction form
    48,986/67,601.16 = 26,630.48/x
  3. Step 3: Cross multiply
    48,986x = 67,601.16 × 26,630.48
  4. Step 4: Simplify right side
    48,986x = 1,800,251,339.36
  5. Step 5: Solve for x
    x = 1,800,251,339.36/48,986
  6. Step 6: Final answer
    x = 36,750.32

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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.