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Finding the Fourth Proportional to 16,403.70, 24,617.70 and 12,029.70

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Solution

The fourth proportional to 16,403.70, 24,617.70 and 12,029.70 is: 18,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.70 : 24,617.70 = 12,029.70 : x
  2. Step 2: Convert to fraction form
    16,403.70/24,617.70 = 12,029.70/x
  3. Step 3: Cross multiply
    16,403.70x = 24,617.70 × 12,029.70
  4. Step 4: Simplify right side
    16,403.70x = 296,143,545.69
  5. Step 5: Solve for x
    x = 296,143,545.69/16,403.70
  6. Step 6: Final answer
    x = 18,053.46

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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.