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Finding the Fourth Proportional to 16,898.60, 25,351.52 and 5,053.30

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Solution

The fourth proportional to 16,898.60, 25,351.52 and 5,053.30 is: 7,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.60 : 25,351.52 = 5,053.30 : x
  2. Step 2: Convert to fraction form
    16,898.60/25,351.52 = 5,053.30/x
  3. Step 3: Cross multiply
    16,898.60x = 25,351.52 × 5,053.30
  4. Step 4: Simplify right side
    16,898.60x = 128,108,836.02
  5. Step 5: Solve for x
    x = 128,108,836.02/16,898.60
  6. Step 6: Final answer
    x = 7,581.03

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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.