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Finding the Fourth Proportional to 10,620.01, 15,930.01 and 3,224.44

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Solution

The fourth proportional to 10,620.01, 15,930.01 and 3,224.44 is: 4,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.01 : 15,930.01 = 3,224.44 : x
  2. Step 2: Convert to fraction form
    10,620.01/15,930.01 = 3,224.44/x
  3. Step 3: Cross multiply
    10,620.01x = 15,930.01 × 3,224.44
  4. Step 4: Simplify right side
    10,620.01x = 51,365,281.79
  5. Step 5: Solve for x
    x = 51,365,281.79/10,620.01
  6. Step 6: Final answer
    x = 4,836.65

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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.