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Finding the Fourth Proportional to 23,497.40, 35,247.70 and 6,857.40

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Solution

The fourth proportional to 23,497.40, 35,247.70 and 6,857.40 is: 10,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,497.40 : 35,247.70 = 6,857.40 : x
  2. Step 2: Convert to fraction form
    23,497.40/35,247.70 = 6,857.40/x
  3. Step 3: Cross multiply
    23,497.40x = 35,247.70 × 6,857.40
  4. Step 4: Simplify right side
    23,497.40x = 241,707,577.98
  5. Step 5: Solve for x
    x = 241,707,577.98/23,497.40
  6. Step 6: Final answer
    x = 10,286.57

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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.