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Finding the Fourth Proportional to 6,673.30, 9,980.79 and 5,448.58

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Solution

The fourth proportional to 6,673.30, 9,980.79 and 5,448.58 is: 8,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.30 : 9,980.79 = 5,448.58 : x
  2. Step 2: Convert to fraction form
    6,673.30/9,980.79 = 5,448.58/x
  3. Step 3: Cross multiply
    6,673.30x = 9,980.79 × 5,448.58
  4. Step 4: Simplify right side
    6,673.30x = 54,381,132.78
  5. Step 5: Solve for x
    x = 54,381,132.78/6,673.30
  6. Step 6: Final answer
    x = 8,149.06

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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.