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Finding the Fourth Proportional to 7,892,907, 10,892,211.72 and 4,271,235

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Solution

The fourth proportional to 7,892,907, 10,892,211.72 and 4,271,235 is: 5,894,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,907 : 10,892,211.72 = 4,271,235 : x
  2. Step 2: Convert to fraction form
    7,892,907/10,892,211.72 = 4,271,235/x
  3. Step 3: Cross multiply
    7,892,907x = 10,892,211.72 × 4,271,235
  4. Step 4: Simplify right side
    7,892,907x = 46,523,195,925,874.20
  5. Step 5: Solve for x
    x = 46,523,195,925,874.20/7,892,907
  6. Step 6: Final answer
    x = 5,894,304.33

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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.