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Finding the Fourth Proportional to 6,613.24, 9,922.10 and 4,145.08

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Solution

The fourth proportional to 6,613.24, 9,922.10 and 4,145.08 is: 6,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.24 : 9,922.10 = 4,145.08 : x
  2. Step 2: Convert to fraction form
    6,613.24/9,922.10 = 4,145.08/x
  3. Step 3: Cross multiply
    6,613.24x = 9,922.10 × 4,145.08
  4. Step 4: Simplify right side
    6,613.24x = 41,127,898.27
  5. Step 5: Solve for x
    x = 41,127,898.27/6,613.24
  6. Step 6: Final answer
    x = 6,219.02

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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.