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Finding the Fourth Proportional to 17,620.50, 24,314.07 and 9,660.63

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Solution

The fourth proportional to 17,620.50, 24,314.07 and 9,660.63 is: 13,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.50 : 24,314.07 = 9,660.63 : x
  2. Step 2: Convert to fraction form
    17,620.50/24,314.07 = 9,660.63/x
  3. Step 3: Cross multiply
    17,620.50x = 24,314.07 × 9,660.63
  4. Step 4: Simplify right side
    17,620.50x = 234,889,234.06
  5. Step 5: Solve for x
    x = 234,889,234.06/17,620.50
  6. Step 6: Final answer
    x = 13,330.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.