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Finding the Fourth Proportional to 62,163.48, 85,798.86 and 40,944.60

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Solution

The fourth proportional to 62,163.48, 85,798.86 and 40,944.60 is: 56,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,163.48 : 85,798.86 = 40,944.60 : x
  2. Step 2: Convert to fraction form
    62,163.48/85,798.86 = 40,944.60/x
  3. Step 3: Cross multiply
    62,163.48x = 85,798.86 × 40,944.60
  4. Step 4: Simplify right side
    62,163.48x = 3,513,000,003.16
  5. Step 5: Solve for x
    x = 3,513,000,003.16/62,163.48
  6. Step 6: Final answer
    x = 56,512.28

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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.