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Finding the Fourth Proportional to 40,649.94, 60,975.99 and 11,068.38

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Solution

The fourth proportional to 40,649.94, 60,975.99 and 11,068.38 is: 16,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,649.94 : 60,975.99 = 11,068.38 : x
  2. Step 2: Convert to fraction form
    40,649.94/60,975.99 = 11,068.38/x
  3. Step 3: Cross multiply
    40,649.94x = 60,975.99 × 11,068.38
  4. Step 4: Simplify right side
    40,649.94x = 674,905,428.20
  5. Step 5: Solve for x
    x = 674,905,428.20/40,649.94
  6. Step 6: Final answer
    x = 16,602.86

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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.