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Finding the Fourth Proportional to 35,295.70, 52,965.48 and 21,994.80

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Solution

The fourth proportional to 35,295.70, 52,965.48 and 21,994.80 is: 33,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,295.70 : 52,965.48 = 21,994.80 : x
  2. Step 2: Convert to fraction form
    35,295.70/52,965.48 = 21,994.80/x
  3. Step 3: Cross multiply
    35,295.70x = 52,965.48 × 21,994.80
  4. Step 4: Simplify right side
    35,295.70x = 1,164,965,139.50
  5. Step 5: Solve for x
    x = 1,164,965,139.50/35,295.70
  6. Step 6: Final answer
    x = 33,005.87

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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.