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Finding the Fourth Proportional to 6,506,859.92, 8,979,467.46 and 3,606,437.96

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Solution

The fourth proportional to 6,506,859.92, 8,979,467.46 and 3,606,437.96 is: 4,976,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506,859.92 : 8,979,467.46 = 3,606,437.96 : x
  2. Step 2: Convert to fraction form
    6,506,859.92/8,979,467.46 = 3,606,437.96/x
  3. Step 3: Cross multiply
    6,506,859.92x = 8,979,467.46 × 3,606,437.96
  4. Step 4: Simplify right side
    6,506,859.92x = 32,383,892,308,328.79
  5. Step 5: Solve for x
    x = 32,383,892,308,328.79/6,506,859.92
  6. Step 6: Final answer
    x = 4,976,884.81

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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.