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Finding the Fourth Proportional to 48,898.70, 67,480.43 and 27,682.07

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Solution

The fourth proportional to 48,898.70, 67,480.43 and 27,682.07 is: 38,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,898.70 : 67,480.43 = 27,682.07 : x
  2. Step 2: Convert to fraction form
    48,898.70/67,480.43 = 27,682.07/x
  3. Step 3: Cross multiply
    48,898.70x = 67,480.43 × 27,682.07
  4. Step 4: Simplify right side
    48,898.70x = 1,867,997,986.89
  5. Step 5: Solve for x
    x = 1,867,997,986.89/48,898.70
  6. Step 6: Final answer
    x = 38,201.38

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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.