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Finding the Fourth Proportional to 17,297.34, 25,944.79 and 9,878.55

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Solution

The fourth proportional to 17,297.34, 25,944.79 and 9,878.55 is: 14,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.34 : 25,944.79 = 9,878.55 : x
  2. Step 2: Convert to fraction form
    17,297.34/25,944.79 = 9,878.55/x
  3. Step 3: Cross multiply
    17,297.34x = 25,944.79 × 9,878.55
  4. Step 4: Simplify right side
    17,297.34x = 256,296,905.25
  5. Step 5: Solve for x
    x = 256,296,905.25/17,297.34
  6. Step 6: Final answer
    x = 14,817.13

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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.