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Finding the Fourth Proportional to 8,594,871.92, 11,860,929.32 and 4,727,687.28

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Solution

The fourth proportional to 8,594,871.92, 11,860,929.32 and 4,727,687.28 is: 6,524,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,594,871.92 : 11,860,929.32 = 4,727,687.28 : x
  2. Step 2: Convert to fraction form
    8,594,871.92/11,860,929.32 = 4,727,687.28/x
  3. Step 3: Cross multiply
    8,594,871.92x = 11,860,929.32 × 4,727,687.28
  4. Step 4: Simplify right side
    8,594,871.92x = 56,074,764,675,143.05
  5. Step 5: Solve for x
    x = 56,074,764,675,143.05/8,594,871.92
  6. Step 6: Final answer
    x = 6,524,211.79

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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.