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Finding the Fourth Proportional to 35,261.01, 52,891.72 and 8,965.78

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Solution

The fourth proportional to 35,261.01, 52,891.72 and 8,965.78 is: 13,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,261.01 : 52,891.72 = 8,965.78 : x
  2. Step 2: Convert to fraction form
    35,261.01/52,891.72 = 8,965.78/x
  3. Step 3: Cross multiply
    35,261.01x = 52,891.72 × 8,965.78
  4. Step 4: Simplify right side
    35,261.01x = 474,215,370.70
  5. Step 5: Solve for x
    x = 474,215,370.70/35,261.01
  6. Step 6: Final answer
    x = 13,448.72

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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.