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Finding the Fourth Proportional to 62,204.40, 85,854.06 and 40,982.40

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Solution

The fourth proportional to 62,204.40, 85,854.06 and 40,982.40 is: 56,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,204.40 : 85,854.06 = 40,982.40 : x
  2. Step 2: Convert to fraction form
    62,204.40/85,854.06 = 40,982.40/x
  3. Step 3: Cross multiply
    62,204.40x = 85,854.06 × 40,982.40
  4. Step 4: Simplify right side
    62,204.40x = 3,518,505,428.54
  5. Step 5: Solve for x
    x = 3,518,505,428.54/62,204.40
  6. Step 6: Final answer
    x = 56,563.61

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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.