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Finding the Fourth Proportional to 5,283.99, 7,929.98 and 3,614.12

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Solution

The fourth proportional to 5,283.99, 7,929.98 and 3,614.12 is: 5,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.99 : 7,929.98 = 3,614.12 : x
  2. Step 2: Convert to fraction form
    5,283.99/7,929.98 = 3,614.12/x
  3. Step 3: Cross multiply
    5,283.99x = 7,929.98 × 3,614.12
  4. Step 4: Simplify right side
    5,283.99x = 28,659,841.60
  5. Step 5: Solve for x
    x = 28,659,841.60/5,283.99
  6. Step 6: Final answer
    x = 5,423.90

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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.