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Finding the Fourth Proportional to 5,870,205.80, 8,791,311.90 and 5,870,205.80

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Solution

The fourth proportional to 5,870,205.80, 8,791,311.90 and 5,870,205.80 is: 8,791,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870,205.80 : 8,791,311.90 = 5,870,205.80 : x
  2. Step 2: Convert to fraction form
    5,870,205.80/8,791,311.90 = 5,870,205.80/x
  3. Step 3: Cross multiply
    5,870,205.80x = 8,791,311.90 × 5,870,205.80
  4. Step 4: Simplify right side
    5,870,205.80x = 51,606,810,104,989.02
  5. Step 5: Solve for x
    x = 51,606,810,104,989.02/5,870,205.80
  6. Step 6: Final answer
    x = 8,791,311.90

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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.