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Finding the Fourth Proportional to 16,701.70, 25,053.72 and 5,015.80

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Solution

The fourth proportional to 16,701.70, 25,053.72 and 5,015.80 is: 7,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,701.70 : 25,053.72 = 5,015.80 : x
  2. Step 2: Convert to fraction form
    16,701.70/25,053.72 = 5,015.80/x
  3. Step 3: Cross multiply
    16,701.70x = 25,053.72 × 5,015.80
  4. Step 4: Simplify right side
    16,701.70x = 125,664,448.78
  5. Step 5: Solve for x
    x = 125,664,448.78/16,701.70
  6. Step 6: Final answer
    x = 7,524.05

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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.