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Finding the Fourth Proportional to 48,503.80, 66,935.80 and 27,282.88

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Solution

The fourth proportional to 48,503.80, 66,935.80 and 27,282.88 is: 37,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,503.80 : 66,935.80 = 27,282.88 : x
  2. Step 2: Convert to fraction form
    48,503.80/66,935.80 = 27,282.88/x
  3. Step 3: Cross multiply
    48,503.80x = 66,935.80 × 27,282.88
  4. Step 4: Simplify right side
    48,503.80x = 1,826,201,399.10
  5. Step 5: Solve for x
    x = 1,826,201,399.10/48,503.80
  6. Step 6: Final answer
    x = 37,650.69

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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.