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Finding the Fourth Proportional to 67,899.21, 93,700.80 and 37,684.89

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Solution

The fourth proportional to 67,899.21, 93,700.80 and 37,684.89 is: 52,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,899.21 : 93,700.80 = 37,684.89 : x
  2. Step 2: Convert to fraction form
    67,899.21/93,700.80 = 37,684.89/x
  3. Step 3: Cross multiply
    67,899.21x = 93,700.80 × 37,684.89
  4. Step 4: Simplify right side
    67,899.21x = 3,531,104,340.91
  5. Step 5: Solve for x
    x = 3,531,104,340.91/67,899.21
  6. Step 6: Final answer
    x = 52,005.09

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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.