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Finding the Fourth Proportional to 67,630.36, 101,362.45 and 37,985.88

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Solution

The fourth proportional to 67,630.36, 101,362.45 and 37,985.88 is: 56,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,630.36 : 101,362.45 = 37,985.88 : x
  2. Step 2: Convert to fraction form
    67,630.36/101,362.45 = 37,985.88/x
  3. Step 3: Cross multiply
    67,630.36x = 101,362.45 × 37,985.88
  4. Step 4: Simplify right side
    67,630.36x = 3,850,341,862.21
  5. Step 5: Solve for x
    x = 3,850,341,862.21/67,630.36
  6. Step 6: Final answer
    x = 56,932.15

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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.