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Finding the Fourth Proportional to 16,737.60, 25,077.60 and 8,828.40

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Solution

The fourth proportional to 16,737.60, 25,077.60 and 8,828.40 is: 13,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,737.60 : 25,077.60 = 8,828.40 : x
  2. Step 2: Convert to fraction form
    16,737.60/25,077.60 = 8,828.40/x
  3. Step 3: Cross multiply
    16,737.60x = 25,077.60 × 8,828.40
  4. Step 4: Simplify right side
    16,737.60x = 221,395,083.84
  5. Step 5: Solve for x
    x = 221,395,083.84/16,737.60
  6. Step 6: Final answer
    x = 13,227.41

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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.