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Finding the Fourth Proportional to 17,920.17, 26,883.09 and 4,773.60

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Solution

The fourth proportional to 17,920.17, 26,883.09 and 4,773.60 is: 7,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.17 : 26,883.09 = 4,773.60 : x
  2. Step 2: Convert to fraction form
    17,920.17/26,883.09 = 4,773.60/x
  3. Step 3: Cross multiply
    17,920.17x = 26,883.09 × 4,773.60
  4. Step 4: Simplify right side
    17,920.17x = 128,329,118.42
  5. Step 5: Solve for x
    x = 128,329,118.42/17,920.17
  6. Step 6: Final answer
    x = 7,161.16

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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.