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Finding the Fourth Proportional to 17,612.58, 26,395.11 and 8,853.78

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Solution

The fourth proportional to 17,612.58, 26,395.11 and 8,853.78 is: 13,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.58 : 26,395.11 = 8,853.78 : x
  2. Step 2: Convert to fraction form
    17,612.58/26,395.11 = 8,853.78/x
  3. Step 3: Cross multiply
    17,612.58x = 26,395.11 × 8,853.78
  4. Step 4: Simplify right side
    17,612.58x = 233,696,497.02
  5. Step 5: Solve for x
    x = 233,696,497.02/17,612.58
  6. Step 6: Final answer
    x = 13,268.73

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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.