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Finding the Fourth Proportional to 48,712.80, 67,216.92 and 27,199.92

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Solution

The fourth proportional to 48,712.80, 67,216.92 and 27,199.92 is: 37,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,712.80 : 67,216.92 = 27,199.92 : x
  2. Step 2: Convert to fraction form
    48,712.80/67,216.92 = 27,199.92/x
  3. Step 3: Cross multiply
    48,712.80x = 67,216.92 × 27,199.92
  4. Step 4: Simplify right side
    48,712.80x = 1,828,294,846.65
  5. Step 5: Solve for x
    x = 1,828,294,846.65/48,712.80
  6. Step 6: Final answer
    x = 37,532.12

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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.