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Finding the Fourth Proportional to 6,392,739.38, 8,822,248.53 and 3,676,487.54

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Solution

The fourth proportional to 6,392,739.38, 8,822,248.53 and 3,676,487.54 is: 5,073,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,739.38 : 8,822,248.53 = 3,676,487.54 : x
  2. Step 2: Convert to fraction form
    6,392,739.38/8,822,248.53 = 3,676,487.54/x
  3. Step 3: Cross multiply
    6,392,739.38x = 8,822,248.53 × 3,676,487.54
  4. Step 4: Simplify right side
    6,392,739.38x = 32,434,886,795,328.31
  5. Step 5: Solve for x
    x = 32,434,886,795,328.31/6,392,739.38
  6. Step 6: Final answer
    x = 5,073,707.04

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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.