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Finding the Fourth Proportional to 17,772.82, 26,640.09 and 9,444.45

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Solution

The fourth proportional to 17,772.82, 26,640.09 and 9,444.45 is: 14,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.82 : 26,640.09 = 9,444.45 : x
  2. Step 2: Convert to fraction form
    17,772.82/26,640.09 = 9,444.45/x
  3. Step 3: Cross multiply
    17,772.82x = 26,640.09 × 9,444.45
  4. Step 4: Simplify right side
    17,772.82x = 251,600,948.05
  5. Step 5: Solve for x
    x = 251,600,948.05/17,772.82
  6. Step 6: Final answer
    x = 14,156.50

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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.