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Finding the Fourth Proportional to 35,224.50, 52,836.78 and 8,929.20

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Solution

The fourth proportional to 35,224.50, 52,836.78 and 8,929.20 is: 13,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,224.50 : 52,836.78 = 8,929.20 : x
  2. Step 2: Convert to fraction form
    35,224.50/52,836.78 = 8,929.20/x
  3. Step 3: Cross multiply
    35,224.50x = 52,836.78 × 8,929.20
  4. Step 4: Simplify right side
    35,224.50x = 471,790,175.98
  5. Step 5: Solve for x
    x = 471,790,175.98/35,224.50
  6. Step 6: Final answer
    x = 13,393.81

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1.5x scale

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.