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Finding the Fourth Proportional to 7,892,899, 10,892,200.64 and 4,271,227

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Solution

The fourth proportional to 7,892,899, 10,892,200.64 and 4,271,227 is: 5,894,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,899 : 10,892,200.64 = 4,271,227 : x
  2. Step 2: Convert to fraction form
    7,892,899/10,892,200.64 = 4,271,227/x
  3. Step 3: Cross multiply
    7,892,899x = 10,892,200.64 × 4,271,227
  4. Step 4: Simplify right side
    7,892,899x = 46,523,061,462,985.28
  5. Step 5: Solve for x
    x = 46,523,061,462,985.28/7,892,899
  6. Step 6: Final answer
    x = 5,894,293.27

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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.