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Finding the Fourth Proportional to 67,907.62, 93,723.74 and 37,702.63

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Solution

The fourth proportional to 67,907.62, 93,723.74 and 37,702.63 is: 52,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,907.62 : 93,723.74 = 37,702.63 : x
  2. Step 2: Convert to fraction form
    67,907.62/93,723.74 = 37,702.63/x
  3. Step 3: Cross multiply
    67,907.62x = 93,723.74 × 37,702.63
  4. Step 4: Simplify right side
    67,907.62x = 3,533,631,491.44
  5. Step 5: Solve for x
    x = 3,533,631,491.44/67,907.62
  6. Step 6: Final answer
    x = 52,035.86

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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.