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Finding the Fourth Proportional to 40,650.69, 60,977.12 and 11,069.13

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Solution

The fourth proportional to 40,650.69, 60,977.12 and 11,069.13 is: 16,603.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,650.69 : 60,977.12 = 11,069.13 : x
  2. Step 2: Convert to fraction form
    40,650.69/60,977.12 = 11,069.13/x
  3. Step 3: Cross multiply
    40,650.69x = 60,977.12 × 11,069.13
  4. Step 4: Simplify right side
    40,650.69x = 674,963,668.31
  5. Step 5: Solve for x
    x = 674,963,668.31/40,650.69
  6. Step 6: Final answer
    x = 16,603.99

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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.