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Finding the Fourth Proportional to 60,880.82, 91,329.83 and 18,764.33

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Solution

The fourth proportional to 60,880.82, 91,329.83 and 18,764.33 is: 28,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,880.82 : 91,329.83 = 18,764.33 : x
  2. Step 2: Convert to fraction form
    60,880.82/91,329.83 = 18,764.33/x
  3. Step 3: Cross multiply
    60,880.82x = 91,329.83 × 18,764.33
  4. Step 4: Simplify right side
    60,880.82x = 1,713,742,518.49
  5. Step 5: Solve for x
    x = 1,713,742,518.49/60,880.82
  6. Step 6: Final answer
    x = 28,149.14

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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.