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Finding the Fourth Proportional to 16,683.82, 25,013.95 and 8,357.87

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Solution

The fourth proportional to 16,683.82, 25,013.95 and 8,357.87 is: 12,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.82 : 25,013.95 = 8,357.87 : x
  2. Step 2: Convert to fraction form
    16,683.82/25,013.95 = 8,357.87/x
  3. Step 3: Cross multiply
    16,683.82x = 25,013.95 × 8,357.87
  4. Step 4: Simplify right side
    16,683.82x = 209,063,342.29
  5. Step 5: Solve for x
    x = 209,063,342.29/16,683.82
  6. Step 6: Final answer
    x = 12,530.90

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1.5x scale

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.