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Finding the Fourth Proportional to 6,624.56, 9,149.98 and 4,953.39

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Solution

The fourth proportional to 6,624.56, 9,149.98 and 4,953.39 is: 6,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.56 : 9,149.98 = 4,953.39 : x
  2. Step 2: Convert to fraction form
    6,624.56/9,149.98 = 4,953.39/x
  3. Step 3: Cross multiply
    6,624.56x = 9,149.98 × 4,953.39
  4. Step 4: Simplify right side
    6,624.56x = 45,323,419.43
  5. Step 5: Solve for x
    x = 45,323,419.43/6,624.56
  6. Step 6: Final answer
    x = 6,841.73

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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.