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Finding the Fourth Proportional to 23,407.53, 35,107.83 and 8,612.99

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Solution

The fourth proportional to 23,407.53, 35,107.83 and 8,612.99 is: 12,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,407.53 : 35,107.83 = 8,612.99 : x
  2. Step 2: Convert to fraction form
    23,407.53/35,107.83 = 8,612.99/x
  3. Step 3: Cross multiply
    23,407.53x = 35,107.83 × 8,612.99
  4. Step 4: Simplify right side
    23,407.53x = 302,383,388.71
  5. Step 5: Solve for x
    x = 302,383,388.71/23,407.53
  6. Step 6: Final answer
    x = 12,918.21

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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.