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Finding the Fourth Proportional to 48,689.93, 67,192.97 and 28,561.33

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Solution

The fourth proportional to 48,689.93, 67,192.97 and 28,561.33 is: 39,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,689.93 : 67,192.97 = 28,561.33 : x
  2. Step 2: Convert to fraction form
    48,689.93/67,192.97 = 28,561.33/x
  3. Step 3: Cross multiply
    48,689.93x = 67,192.97 × 28,561.33
  4. Step 4: Simplify right side
    48,689.93x = 1,919,120,589.85
  5. Step 5: Solve for x
    x = 1,919,120,589.85/48,689.93
  6. Step 6: Final answer
    x = 39,415.14

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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.