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Finding the Fourth Proportional to 3,889,374.08, 5,834,061.11 and 1,049,481.68

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Solution

The fourth proportional to 3,889,374.08, 5,834,061.11 and 1,049,481.68 is: 1,574,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,374.08 : 5,834,061.11 = 1,049,481.68 : x
  2. Step 2: Convert to fraction form
    3,889,374.08/5,834,061.11 = 1,049,481.68/x
  3. Step 3: Cross multiply
    3,889,374.08x = 5,834,061.11 × 1,049,481.68
  4. Step 4: Simplify right side
    3,889,374.08x = 6,122,740,228,398.86
  5. Step 5: Solve for x
    x = 6,122,740,228,398.86/3,889,374.08
  6. Step 6: Final answer
    x = 1,574,222.51

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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.