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Finding the Fourth Proportional to 19,617.53, 27,072.29 and 11,551.53

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Solution

The fourth proportional to 19,617.53, 27,072.29 and 11,551.53 is: 15,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.53 : 27,072.29 = 11,551.53 : x
  2. Step 2: Convert to fraction form
    19,617.53/27,072.29 = 11,551.53/x
  3. Step 3: Cross multiply
    19,617.53x = 27,072.29 × 11,551.53
  4. Step 4: Simplify right side
    19,617.53x = 312,726,348.22
  5. Step 5: Solve for x
    x = 312,726,348.22/19,617.53
  6. Step 6: Final answer
    x = 15,941.17

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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.