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Finding the Fourth Proportional to 11,660.49, 17,490.13 and 4,264.18

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Solution

The fourth proportional to 11,660.49, 17,490.13 and 4,264.18 is: 6,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.49 : 17,490.13 = 4,264.18 : x
  2. Step 2: Convert to fraction form
    11,660.49/17,490.13 = 4,264.18/x
  3. Step 3: Cross multiply
    11,660.49x = 17,490.13 × 4,264.18
  4. Step 4: Simplify right side
    11,660.49x = 74,581,008.16
  5. Step 5: Solve for x
    x = 74,581,008.16/11,660.49
  6. Step 6: Final answer
    x = 6,396.04

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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.