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Finding the Fourth Proportional to 19,282.66, 28,844.03 and 18,101.68

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Solution

The fourth proportional to 19,282.66, 28,844.03 and 18,101.68 is: 27,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.66 : 28,844.03 = 18,101.68 : x
  2. Step 2: Convert to fraction form
    19,282.66/28,844.03 = 18,101.68/x
  3. Step 3: Cross multiply
    19,282.66x = 28,844.03 × 18,101.68
  4. Step 4: Simplify right side
    19,282.66x = 522,125,374.11
  5. Step 5: Solve for x
    x = 522,125,374.11/19,282.66
  6. Step 6: Final answer
    x = 27,077.46

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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.