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Finding the Fourth Proportional to 17,754.80, 26,631.93 and 10,269.60

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Solution

The fourth proportional to 17,754.80, 26,631.93 and 10,269.60 is: 15,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,754.80 : 26,631.93 = 10,269.60 : x
  2. Step 2: Convert to fraction form
    17,754.80/26,631.93 = 10,269.60/x
  3. Step 3: Cross multiply
    17,754.80x = 26,631.93 × 10,269.60
  4. Step 4: Simplify right side
    17,754.80x = 273,499,172.21
  5. Step 5: Solve for x
    x = 273,499,172.21/17,754.80
  6. Step 6: Final answer
    x = 15,404.24

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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.