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Finding the Fourth Proportional to 6,624.91, 9,138.18 and 4,944.52

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Solution

The fourth proportional to 6,624.91, 9,138.18 and 4,944.52 is: 6,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.91 : 9,138.18 = 4,944.52 : x
  2. Step 2: Convert to fraction form
    6,624.91/9,138.18 = 4,944.52/x
  3. Step 3: Cross multiply
    6,624.91x = 9,138.18 × 4,944.52
  4. Step 4: Simplify right side
    6,624.91x = 45,183,913.77
  5. Step 5: Solve for x
    x = 45,183,913.77/6,624.91
  6. Step 6: Final answer
    x = 6,820.31

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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.