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Finding the Fourth Proportional to 67,861.98, 93,649.77 and 37,647.90

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Solution

The fourth proportional to 67,861.98, 93,649.77 and 37,647.90 is: 51,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,861.98 : 93,649.77 = 37,647.90 : x
  2. Step 2: Convert to fraction form
    67,861.98/93,649.77 = 37,647.90/x
  3. Step 3: Cross multiply
    67,861.98x = 93,649.77 × 37,647.90
  4. Step 4: Simplify right side
    67,861.98x = 3,525,717,175.98
  5. Step 5: Solve for x
    x = 3,525,717,175.98/67,861.98
  6. Step 6: Final answer
    x = 51,954.23

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1.5x scale

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.