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Finding the Fourth Proportional to 17,481.64, 26,223.10 and 7,607.40

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Solution

The fourth proportional to 17,481.64, 26,223.10 and 7,607.40 is: 11,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481.64 : 26,223.10 = 7,607.40 : x
  2. Step 2: Convert to fraction form
    17,481.64/26,223.10 = 7,607.40/x
  3. Step 3: Cross multiply
    17,481.64x = 26,223.10 × 7,607.40
  4. Step 4: Simplify right side
    17,481.64x = 199,489,610.94
  5. Step 5: Solve for x
    x = 199,489,610.94/17,481.64
  6. Step 6: Final answer
    x = 11,411.38

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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.