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Finding the Fourth Proportional to 4,269.73, 6,404.73 and 1,927.21

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Solution

The fourth proportional to 4,269.73, 6,404.73 and 1,927.21 is: 2,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.73 : 6,404.73 = 1,927.21 : x
  2. Step 2: Convert to fraction form
    4,269.73/6,404.73 = 1,927.21/x
  3. Step 3: Cross multiply
    4,269.73x = 6,404.73 × 1,927.21
  4. Step 4: Simplify right side
    4,269.73x = 12,343,259.70
  5. Step 5: Solve for x
    x = 12,343,259.70/4,269.73
  6. Step 6: Final answer
    x = 2,890.88

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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.