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Finding the Fourth Proportional to 4,920,998.55, 7,381,497.83 and 4,920,998.55

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Solution

The fourth proportional to 4,920,998.55, 7,381,497.83 and 4,920,998.55 is: 7,381,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,998.55 : 7,381,497.83 = 4,920,998.55 : x
  2. Step 2: Convert to fraction form
    4,920,998.55/7,381,497.83 = 4,920,998.55/x
  3. Step 3: Cross multiply
    4,920,998.55x = 7,381,497.83 × 4,920,998.55
  4. Step 4: Simplify right side
    4,920,998.55x = 36,324,340,093,653.16
  5. Step 5: Solve for x
    x = 36,324,340,093,653.16/4,920,998.55
  6. Step 6: Final answer
    x = 7,381,497.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.