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Finding the Fourth Proportional to 6,512,487.92, 8,978,973.96 and 4,654,123.04

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Solution

The fourth proportional to 6,512,487.92, 8,978,973.96 and 4,654,123.04 is: 6,416,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512,487.92 : 8,978,973.96 = 4,654,123.04 : x
  2. Step 2: Convert to fraction form
    6,512,487.92/8,978,973.96 = 4,654,123.04/x
  3. Step 3: Cross multiply
    6,512,487.92x = 8,978,973.96 × 4,654,123.04
  4. Step 4: Simplify right side
    6,512,487.92x = 41,789,249,582,796.04
  5. Step 5: Solve for x
    x = 41,789,249,582,796.04/6,512,487.92
  6. Step 6: Final answer
    x = 6,416,787.27

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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.