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Finding the Fourth Proportional to 17,737.02, 26,622 and 8,978.04

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Solution

The fourth proportional to 17,737.02, 26,622 and 8,978.04 is: 13,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,737.02 : 26,622 = 8,978.04 : x
  2. Step 2: Convert to fraction form
    17,737.02/26,622 = 8,978.04/x
  3. Step 3: Cross multiply
    17,737.02x = 26,622 × 8,978.04
  4. Step 4: Simplify right side
    17,737.02x = 239,013,380.88
  5. Step 5: Solve for x
    x = 239,013,380.88/17,737.02
  6. Step 6: Final answer
    x = 13,475.40

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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.