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Finding the Fourth Proportional to 6,300.99, 9,452.30 and 2,139.62

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Solution

The fourth proportional to 6,300.99, 9,452.30 and 2,139.62 is: 3,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.99 : 9,452.30 = 2,139.62 : x
  2. Step 2: Convert to fraction form
    6,300.99/9,452.30 = 2,139.62/x
  3. Step 3: Cross multiply
    6,300.99x = 9,452.30 × 2,139.62
  4. Step 4: Simplify right side
    6,300.99x = 20,224,272.17
  5. Step 5: Solve for x
    x = 20,224,272.17/6,300.99
  6. Step 6: Final answer
    x = 3,209.70

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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.