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Finding the Fourth Proportional to 61,226.79, 91,863.27 and 41,689.59

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Solution

The fourth proportional to 61,226.79, 91,863.27 and 41,689.59 is: 62,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,226.79 : 91,863.27 = 41,689.59 : x
  2. Step 2: Convert to fraction form
    61,226.79/91,863.27 = 41,689.59/x
  3. Step 3: Cross multiply
    61,226.79x = 91,863.27 × 41,689.59
  4. Step 4: Simplify right side
    61,226.79x = 3,829,742,062.36
  5. Step 5: Solve for x
    x = 3,829,742,062.36/61,226.79
  6. Step 6: Final answer
    x = 62,550.10

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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.