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Finding the Fourth Proportional to 17,596.78, 26,395.16 and 5,918.20

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Solution

The fourth proportional to 17,596.78, 26,395.16 and 5,918.20 is: 8,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,596.78 : 26,395.16 = 5,918.20 : x
  2. Step 2: Convert to fraction form
    17,596.78/26,395.16 = 5,918.20/x
  3. Step 3: Cross multiply
    17,596.78x = 26,395.16 × 5,918.20
  4. Step 4: Simplify right side
    17,596.78x = 156,211,740.33
  5. Step 5: Solve for x
    x = 156,211,740.33/17,596.78
  6. Step 6: Final answer
    x = 8,877.29

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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.