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Finding the Fourth Proportional to 19,754.84, 27,268.54 and 11,374.68

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Solution

The fourth proportional to 19,754.84, 27,268.54 and 11,374.68 is: 15,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.84 : 27,268.54 = 11,374.68 : x
  2. Step 2: Convert to fraction form
    19,754.84/27,268.54 = 11,374.68/x
  3. Step 3: Cross multiply
    19,754.84x = 27,268.54 × 11,374.68
  4. Step 4: Simplify right side
    19,754.84x = 310,170,916.57
  5. Step 5: Solve for x
    x = 310,170,916.57/19,754.84
  6. Step 6: Final answer
    x = 15,701.01

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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.