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Finding the Fourth Proportional to 34,908.25, 52,361.01 and 8,612.31

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Solution

The fourth proportional to 34,908.25, 52,361.01 and 8,612.31 is: 12,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,908.25 : 52,361.01 = 8,612.31 : x
  2. Step 2: Convert to fraction form
    34,908.25/52,361.01 = 8,612.31/x
  3. Step 3: Cross multiply
    34,908.25x = 52,361.01 × 8,612.31
  4. Step 4: Simplify right side
    34,908.25x = 450,949,250.03
  5. Step 5: Solve for x
    x = 450,949,250.03/34,908.25
  6. Step 6: Final answer
    x = 12,918.13

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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.