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Finding the Fourth Proportional to 48,723, 67,238.15 and 26,367

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Solution

The fourth proportional to 48,723, 67,238.15 and 26,367 is: 36,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,723 : 67,238.15 = 26,367 : x
  2. Step 2: Convert to fraction form
    48,723/67,238.15 = 26,367/x
  3. Step 3: Cross multiply
    48,723x = 67,238.15 × 26,367
  4. Step 4: Simplify right side
    48,723x = 1,772,868,169.22
  5. Step 5: Solve for x
    x = 1,772,868,169.22/48,723
  6. Step 6: Final answer
    x = 36,386.68

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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.