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Finding the Fourth Proportional to 17,612.88, 24,305.79 and 9,655.44

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Solution

The fourth proportional to 17,612.88, 24,305.79 and 9,655.44 is: 13,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.88 : 24,305.79 = 9,655.44 : x
  2. Step 2: Convert to fraction form
    17,612.88/24,305.79 = 9,655.44/x
  3. Step 3: Cross multiply
    17,612.88x = 24,305.79 × 9,655.44
  4. Step 4: Simplify right side
    17,612.88x = 234,683,097.00
  5. Step 5: Solve for x
    x = 234,683,097.00/17,612.88
  6. Step 6: Final answer
    x = 13,324.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.