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Finding the Fourth Proportional to 48,014.36, 66,265.80 and 27,866.90

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Solution

The fourth proportional to 48,014.36, 66,265.80 and 27,866.90 is: 38,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,014.36 : 66,265.80 = 27,866.90 : x
  2. Step 2: Convert to fraction form
    48,014.36/66,265.80 = 27,866.90/x
  3. Step 3: Cross multiply
    48,014.36x = 66,265.80 × 27,866.90
  4. Step 4: Simplify right side
    48,014.36x = 1,846,622,422.02
  5. Step 5: Solve for x
    x = 1,846,622,422.02/48,014.36
  6. Step 6: Final answer
    x = 38,459.79

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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.