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Finding the Fourth Proportional to 48,878.64, 67,446.84 and 27,369.60

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Solution

The fourth proportional to 48,878.64, 67,446.84 and 27,369.60 is: 37,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,878.64 : 67,446.84 = 27,369.60 : x
  2. Step 2: Convert to fraction form
    48,878.64/67,446.84 = 27,369.60/x
  3. Step 3: Cross multiply
    48,878.64x = 67,446.84 × 27,369.60
  4. Step 4: Simplify right side
    48,878.64x = 1,845,993,032.06
  5. Step 5: Solve for x
    x = 1,845,993,032.06/48,878.64
  6. Step 6: Final answer
    x = 37,766.87

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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.