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Finding the Fourth Proportional to 16,699.86, 25,034.90 and 6,318.90

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Solution

The fourth proportional to 16,699.86, 25,034.90 and 6,318.90 is: 9,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,699.86 : 25,034.90 = 6,318.90 : x
  2. Step 2: Convert to fraction form
    16,699.86/25,034.90 = 6,318.90/x
  3. Step 3: Cross multiply
    16,699.86x = 25,034.90 × 6,318.90
  4. Step 4: Simplify right side
    16,699.86x = 158,192,998.02
  5. Step 5: Solve for x
    x = 158,192,998.02/16,699.86
  6. Step 6: Final answer
    x = 9,472.71

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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.