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Finding the Fourth Proportional to 16,394.61, 24,591.93 and 7,028.55

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Solution

The fourth proportional to 16,394.61, 24,591.93 and 7,028.55 is: 10,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,394.61 : 24,591.93 = 7,028.55 : x
  2. Step 2: Convert to fraction form
    16,394.61/24,591.93 = 7,028.55/x
  3. Step 3: Cross multiply
    16,394.61x = 24,591.93 × 7,028.55
  4. Step 4: Simplify right side
    16,394.61x = 172,845,609.60
  5. Step 5: Solve for x
    x = 172,845,609.60/16,394.61
  6. Step 6: Final answer
    x = 10,542.83

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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.