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Finding the Fourth Proportional to 16,847.70, 25,271.55 and 15,465.30

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Solution

The fourth proportional to 16,847.70, 25,271.55 and 15,465.30 is: 23,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,847.70 : 25,271.55 = 15,465.30 : x
  2. Step 2: Convert to fraction form
    16,847.70/25,271.55 = 15,465.30/x
  3. Step 3: Cross multiply
    16,847.70x = 25,271.55 × 15,465.30
  4. Step 4: Simplify right side
    16,847.70x = 390,832,102.22
  5. Step 5: Solve for x
    x = 390,832,102.22/16,847.70
  6. Step 6: Final answer
    x = 23,197.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.