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Finding the Fourth Proportional to 67,699, 93,424.62 and 37,891

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Solution

The fourth proportional to 67,699, 93,424.62 and 37,891 is: 52,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,699 : 93,424.62 = 37,891 : x
  2. Step 2: Convert to fraction form
    67,699/93,424.62 = 37,891/x
  3. Step 3: Cross multiply
    67,699x = 93,424.62 × 37,891
  4. Step 4: Simplify right side
    67,699x = 3,539,952,276.42
  5. Step 5: Solve for x
    x = 3,539,952,276.42/67,699
  6. Step 6: Final answer
    x = 52,289.58

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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.