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Finding the Fourth Proportional to 7,246.50, 10,000.17 and 3,934.50

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Solution

The fourth proportional to 7,246.50, 10,000.17 and 3,934.50 is: 5,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.50 : 10,000.17 = 3,934.50 : x
  2. Step 2: Convert to fraction form
    7,246.50/10,000.17 = 3,934.50/x
  3. Step 3: Cross multiply
    7,246.50x = 10,000.17 × 3,934.50
  4. Step 4: Simplify right side
    7,246.50x = 39,345,668.87
  5. Step 5: Solve for x
    x = 39,345,668.87/7,246.50
  6. Step 6: Final answer
    x = 5,429.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.