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Finding the Fourth Proportional to 7,404.46, 10,217.46 and 4,419.70

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Solution

The fourth proportional to 7,404.46, 10,217.46 and 4,419.70 is: 6,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.46 : 10,217.46 = 4,419.70 : x
  2. Step 2: Convert to fraction form
    7,404.46/10,217.46 = 4,419.70/x
  3. Step 3: Cross multiply
    7,404.46x = 10,217.46 × 4,419.70
  4. Step 4: Simplify right side
    7,404.46x = 45,158,107.96
  5. Step 5: Solve for x
    x = 45,158,107.96/7,404.46
  6. Step 6: Final answer
    x = 6,098.77

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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.