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Finding the Fourth Proportional to 6,446.43, 8,895.53 and 3,575.24

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Solution

The fourth proportional to 6,446.43, 8,895.53 and 3,575.24 is: 4,933.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.43 : 8,895.53 = 3,575.24 : x
  2. Step 2: Convert to fraction form
    6,446.43/8,895.53 = 3,575.24/x
  3. Step 3: Cross multiply
    6,446.43x = 8,895.53 × 3,575.24
  4. Step 4: Simplify right side
    6,446.43x = 31,803,654.68
  5. Step 5: Solve for x
    x = 31,803,654.68/6,446.43
  6. Step 6: Final answer
    x = 4,933.53

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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.