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Finding the Fourth Proportional to 67,642.68, 93,345.96 and 37,427.45

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Solution

The fourth proportional to 67,642.68, 93,345.96 and 37,427.45 is: 51,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,642.68 : 93,345.96 = 37,427.45 : x
  2. Step 2: Convert to fraction form
    67,642.68/93,345.96 = 37,427.45/x
  3. Step 3: Cross multiply
    67,642.68x = 93,345.96 × 37,427.45
  4. Step 4: Simplify right side
    67,642.68x = 3,493,701,274.27
  5. Step 5: Solve for x
    x = 3,493,701,274.27/67,642.68
  6. Step 6: Final answer
    x = 51,649.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.