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Finding the Fourth Proportional to 48,396.88, 66,788.11 and 27,178.12

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Solution

The fourth proportional to 48,396.88, 66,788.11 and 27,178.12 is: 37,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,396.88 : 66,788.11 = 27,178.12 : x
  2. Step 2: Convert to fraction form
    48,396.88/66,788.11 = 27,178.12/x
  3. Step 3: Cross multiply
    48,396.88x = 66,788.11 × 27,178.12
  4. Step 4: Simplify right side
    48,396.88x = 1,815,175,268.15
  5. Step 5: Solve for x
    x = 1,815,175,268.15/48,396.88
  6. Step 6: Final answer
    x = 37,506.04

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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.