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Finding the Fourth Proportional to 3,885,773.64, 5,829,148.74 and 2,086,183.56

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Solution

The fourth proportional to 3,885,773.64, 5,829,148.74 and 2,086,183.56 is: 3,129,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,773.64 : 5,829,148.74 = 2,086,183.56 : x
  2. Step 2: Convert to fraction form
    3,885,773.64/5,829,148.74 = 2,086,183.56/x
  3. Step 3: Cross multiply
    3,885,773.64x = 5,829,148.74 × 2,086,183.56
  4. Step 4: Simplify right side
    3,885,773.64x = 12,160,674,270,182.71
  5. Step 5: Solve for x
    x = 12,160,674,270,182.71/3,885,773.64
  6. Step 6: Final answer
    x = 3,129,537.49

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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.