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Finding the Fourth Proportional to 48,006.72, 66,240.48 and 27,865.92

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Solution

The fourth proportional to 48,006.72, 66,240.48 and 27,865.92 is: 38,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,006.72 : 66,240.48 = 27,865.92 : x
  2. Step 2: Convert to fraction form
    48,006.72/66,240.48 = 27,865.92/x
  3. Step 3: Cross multiply
    48,006.72x = 66,240.48 × 27,865.92
  4. Step 4: Simplify right side
    48,006.72x = 1,845,851,916.44
  5. Step 5: Solve for x
    x = 1,845,851,916.44/48,006.72
  6. Step 6: Final answer
    x = 38,449.87

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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.