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Finding the Fourth Proportional to 16,605.77, 24,910.08 and 4,759.58

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Solution

The fourth proportional to 16,605.77, 24,910.08 and 4,759.58 is: 7,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.77 : 24,910.08 = 4,759.58 : x
  2. Step 2: Convert to fraction form
    16,605.77/24,910.08 = 4,759.58/x
  3. Step 3: Cross multiply
    16,605.77x = 24,910.08 × 4,759.58
  4. Step 4: Simplify right side
    16,605.77x = 118,561,494.77
  5. Step 5: Solve for x
    x = 118,561,494.77/16,605.77
  6. Step 6: Final answer
    x = 7,139.78

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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.