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Finding the Fourth Proportional to 48,768.63, 67,299.90 and 27,258.88

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Solution

The fourth proportional to 48,768.63, 67,299.90 and 27,258.88 is: 37,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,768.63 : 67,299.90 = 27,258.88 : x
  2. Step 2: Convert to fraction form
    48,768.63/67,299.90 = 27,258.88/x
  3. Step 3: Cross multiply
    48,768.63x = 67,299.90 × 27,258.88
  4. Step 4: Simplify right side
    48,768.63x = 1,834,519,898.11
  5. Step 5: Solve for x
    x = 1,834,519,898.11/48,768.63
  6. Step 6: Final answer
    x = 37,616.80

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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.