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Finding the Fourth Proportional to 60,809.19, 91,065.55 and 34,433.97

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Solution

The fourth proportional to 60,809.19, 91,065.55 and 34,433.97 is: 51,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,809.19 : 91,065.55 = 34,433.97 : x
  2. Step 2: Convert to fraction form
    60,809.19/91,065.55 = 34,433.97/x
  3. Step 3: Cross multiply
    60,809.19x = 91,065.55 × 34,433.97
  4. Step 4: Simplify right side
    60,809.19x = 3,135,748,416.73
  5. Step 5: Solve for x
    x = 3,135,748,416.73/60,809.19
  6. Step 6: Final answer
    x = 51,567.02

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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.