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Finding the Fourth Proportional to 11,294.69, 16,942.21 and 4,277.99

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Solution

The fourth proportional to 11,294.69, 16,942.21 and 4,277.99 is: 6,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.69 : 16,942.21 = 4,277.99 : x
  2. Step 2: Convert to fraction form
    11,294.69/16,942.21 = 4,277.99/x
  3. Step 3: Cross multiply
    11,294.69x = 16,942.21 × 4,277.99
  4. Step 4: Simplify right side
    11,294.69x = 72,478,613.03
  5. Step 5: Solve for x
    x = 72,478,613.03/11,294.69
  6. Step 6: Final answer
    x = 6,417.05

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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.