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Finding the Fourth Proportional to 17,872.60, 26,798.63 and 6,772.22

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Solution

The fourth proportional to 17,872.60, 26,798.63 and 6,772.22 is: 10,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.60 : 26,798.63 = 6,772.22 : x
  2. Step 2: Convert to fraction form
    17,872.60/26,798.63 = 6,772.22/x
  3. Step 3: Cross multiply
    17,872.60x = 26,798.63 × 6,772.22
  4. Step 4: Simplify right side
    17,872.60x = 181,486,084.07
  5. Step 5: Solve for x
    x = 181,486,084.07/17,872.60
  6. Step 6: Final answer
    x = 10,154.43

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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.