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Finding the Fourth Proportional to 48,856.40, 73,284.60 and 27,861.20

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Solution

The fourth proportional to 48,856.40, 73,284.60 and 27,861.20 is: 41,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,856.40 : 73,284.60 = 27,861.20 : x
  2. Step 2: Convert to fraction form
    48,856.40/73,284.60 = 27,861.20/x
  3. Step 3: Cross multiply
    48,856.40x = 73,284.60 × 27,861.20
  4. Step 4: Simplify right side
    48,856.40x = 2,041,796,897.52
  5. Step 5: Solve for x
    x = 2,041,796,897.52/48,856.40
  6. Step 6: Final answer
    x = 41,791.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.