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Finding the Fourth Proportional to 6,660.42, 9,996.84 and 3,544.08

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Solution

The fourth proportional to 6,660.42, 9,996.84 and 3,544.08 is: 5,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.42 : 9,996.84 = 3,544.08 : x
  2. Step 2: Convert to fraction form
    6,660.42/9,996.84 = 3,544.08/x
  3. Step 3: Cross multiply
    6,660.42x = 9,996.84 × 3,544.08
  4. Step 4: Simplify right side
    6,660.42x = 35,429,600.71
  5. Step 5: Solve for x
    x = 35,429,600.71/6,660.42
  6. Step 6: Final answer
    x = 5,319.42

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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.