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Finding the Fourth Proportional to 60,766.29, 91,119.41 and 18,636.27

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Solution

The fourth proportional to 60,766.29, 91,119.41 and 18,636.27 is: 27,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,766.29 : 91,119.41 = 18,636.27 : x
  2. Step 2: Convert to fraction form
    60,766.29/91,119.41 = 18,636.27/x
  3. Step 3: Cross multiply
    60,766.29x = 91,119.41 × 18,636.27
  4. Step 4: Simplify right side
    60,766.29x = 1,698,125,927.00
  5. Step 5: Solve for x
    x = 1,698,125,927.00/60,766.29
  6. Step 6: Final answer
    x = 27,945.20

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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.