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Finding the Fourth Proportional to 15,014.01, 20,717.52 and 8,298.72

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Solution

The fourth proportional to 15,014.01, 20,717.52 and 8,298.72 is: 11,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,014.01 : 20,717.52 = 8,298.72 : x
  2. Step 2: Convert to fraction form
    15,014.01/20,717.52 = 8,298.72/x
  3. Step 3: Cross multiply
    15,014.01x = 20,717.52 × 8,298.72
  4. Step 4: Simplify right side
    15,014.01x = 171,928,897.57
  5. Step 5: Solve for x
    x = 171,928,897.57/15,014.01
  6. Step 6: Final answer
    x = 11,451.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.