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Finding the Fourth Proportional to 5,641,353.01, 7,784,987.27 and 3,193,900.44

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Solution

The fourth proportional to 5,641,353.01, 7,784,987.27 and 3,193,900.44 is: 4,407,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641,353.01 : 7,784,987.27 = 3,193,900.44 : x
  2. Step 2: Convert to fraction form
    5,641,353.01/7,784,987.27 = 3,193,900.44/x
  3. Step 3: Cross multiply
    5,641,353.01x = 7,784,987.27 × 3,193,900.44
  4. Step 4: Simplify right side
    5,641,353.01x = 24,864,474,251,077.89
  5. Step 5: Solve for x
    x = 24,864,474,251,077.89/5,641,353.01
  6. Step 6: Final answer
    x = 4,407,537.38

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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.