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Finding the Fourth Proportional to 19,297.17, 28,951.22 and 9,944.03

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Solution

The fourth proportional to 19,297.17, 28,951.22 and 9,944.03 is: 14,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.17 : 28,951.22 = 9,944.03 : x
  2. Step 2: Convert to fraction form
    19,297.17/28,951.22 = 9,944.03/x
  3. Step 3: Cross multiply
    19,297.17x = 28,951.22 × 9,944.03
  4. Step 4: Simplify right side
    19,297.17x = 287,891,897.45
  5. Step 5: Solve for x
    x = 287,891,897.45/19,297.17
  6. Step 6: Final answer
    x = 14,918.87

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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.