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Finding the Fourth Proportional to 35,241.78, 52,861.05 and 8,947.02

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Solution

The fourth proportional to 35,241.78, 52,861.05 and 8,947.02 is: 13,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,241.78 : 52,861.05 = 8,947.02 : x
  2. Step 2: Convert to fraction form
    35,241.78/52,861.05 = 8,947.02/x
  3. Step 3: Cross multiply
    35,241.78x = 52,861.05 × 8,947.02
  4. Step 4: Simplify right side
    35,241.78x = 472,948,871.57
  5. Step 5: Solve for x
    x = 472,948,871.57/35,241.78
  6. Step 6: Final answer
    x = 13,420.12

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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.