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Finding the Fourth Proportional to 48,866.58, 67,432.16 and 27,647.21

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Solution

The fourth proportional to 48,866.58, 67,432.16 and 27,647.21 is: 38,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,866.58 : 67,432.16 = 27,647.21 : x
  2. Step 2: Convert to fraction form
    48,866.58/67,432.16 = 27,647.21/x
  3. Step 3: Cross multiply
    48,866.58x = 67,432.16 × 27,647.21
  4. Step 4: Simplify right side
    48,866.58x = 1,864,311,325.97
  5. Step 5: Solve for x
    x = 1,864,311,325.97/48,866.58
  6. Step 6: Final answer
    x = 38,151.05

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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.