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Finding the Fourth Proportional to 7,168,000.96, 9,891,836.96 and 3,948,736.96

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Solution

The fourth proportional to 7,168,000.96, 9,891,836.96 and 3,948,736.96 is: 5,449,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,000.96 : 9,891,836.96 = 3,948,736.96 : x
  2. Step 2: Convert to fraction form
    7,168,000.96/9,891,836.96 = 3,948,736.96/x
  3. Step 3: Cross multiply
    7,168,000.96x = 9,891,836.96 × 3,948,736.96
  4. Step 4: Simplify right side
    7,168,000.96x = 39,060,262,206,246.05
  5. Step 5: Solve for x
    x = 39,060,262,206,246.05/7,168,000.96
  6. Step 6: Final answer
    x = 5,449,254.60

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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.