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Finding the Fourth Proportional to 48,887.27, 73,365.87 and 20,826.98

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Solution

The fourth proportional to 48,887.27, 73,365.87 and 20,826.98 is: 31,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,887.27 : 73,365.87 = 20,826.98 : x
  2. Step 2: Convert to fraction form
    48,887.27/73,365.87 = 20,826.98/x
  3. Step 3: Cross multiply
    48,887.27x = 73,365.87 × 20,826.98
  4. Step 4: Simplify right side
    48,887.27x = 1,527,989,140.34
  5. Step 5: Solve for x
    x = 1,527,989,140.34/48,887.27
  6. Step 6: Final answer
    x = 31,255.36

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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.