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Finding the Fourth Proportional to 60,982.41, 91,473.09 and 47,666.61

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Solution

The fourth proportional to 60,982.41, 91,473.09 and 47,666.61 is: 71,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,982.41 : 91,473.09 = 47,666.61 : x
  2. Step 2: Convert to fraction form
    60,982.41/91,473.09 = 47,666.61/x
  3. Step 3: Cross multiply
    60,982.41x = 91,473.09 × 47,666.61
  4. Step 4: Simplify right side
    60,982.41x = 4,360,212,106.52
  5. Step 5: Solve for x
    x = 4,360,212,106.52/60,982.41
  6. Step 6: Final answer
    x = 71,499.50

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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.