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Finding the Fourth Proportional to 5,870,541.80, 8,791,815.90 and 5,870,541.80

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Solution

The fourth proportional to 5,870,541.80, 8,791,815.90 and 5,870,541.80 is: 8,791,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870,541.80 : 8,791,815.90 = 5,870,541.80 : x
  2. Step 2: Convert to fraction form
    5,870,541.80/8,791,815.90 = 5,870,541.80/x
  3. Step 3: Cross multiply
    5,870,541.80x = 8,791,815.90 × 5,870,541.80
  4. Step 4: Simplify right side
    5,870,541.80x = 51,612,722,738,854.62
  5. Step 5: Solve for x
    x = 51,612,722,738,854.62/5,870,541.80
  6. Step 6: Final answer
    x = 8,791,815.90

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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.