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Finding the Fourth Proportional to 17,617.65, 24,313.06 and 9,660.16

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Solution

The fourth proportional to 17,617.65, 24,313.06 and 9,660.16 is: 13,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.65 : 24,313.06 = 9,660.16 : x
  2. Step 2: Convert to fraction form
    17,617.65/24,313.06 = 9,660.16/x
  3. Step 3: Cross multiply
    17,617.65x = 24,313.06 × 9,660.16
  4. Step 4: Simplify right side
    17,617.65x = 234,868,092.16
  5. Step 5: Solve for x
    x = 234,868,092.16/17,617.65
  6. Step 6: Final answer
    x = 13,331.41

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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.