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Finding the Fourth Proportional to 67,852.62, 93,642.36 and 37,647.66

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Solution

The fourth proportional to 67,852.62, 93,642.36 and 37,647.66 is: 51,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,852.62 : 93,642.36 = 37,647.66 : x
  2. Step 2: Convert to fraction form
    67,852.62/93,642.36 = 37,647.66/x
  3. Step 3: Cross multiply
    67,852.62x = 93,642.36 × 37,647.66
  4. Step 4: Simplify right side
    67,852.62x = 3,525,415,730.88
  5. Step 5: Solve for x
    x = 3,525,415,730.88/67,852.62
  6. Step 6: Final answer
    x = 51,956.96

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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.