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Finding the Fourth Proportional to 7,892,903, 10,892,206.16 and 4,271,231

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Solution

The fourth proportional to 7,892,903, 10,892,206.16 and 4,271,231 is: 5,894,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,903 : 10,892,206.16 = 4,271,231 : x
  2. Step 2: Convert to fraction form
    7,892,903/10,892,206.16 = 4,271,231/x
  3. Step 3: Cross multiply
    7,892,903x = 10,892,206.16 × 4,271,231
  4. Step 4: Simplify right side
    7,892,903x = 46,523,128,608,982.96
  5. Step 5: Solve for x
    x = 46,523,128,608,982.96/7,892,903
  6. Step 6: Final answer
    x = 5,894,298.79

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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.