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Finding the Fourth Proportional to 7,432,847.55, 11,149,271.33 and 7,432,847.55

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Solution

The fourth proportional to 7,432,847.55, 11,149,271.33 and 7,432,847.55 is: 11,149,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432,847.55 : 11,149,271.33 = 7,432,847.55 : x
  2. Step 2: Convert to fraction form
    7,432,847.55/11,149,271.33 = 7,432,847.55/x
  3. Step 3: Cross multiply
    7,432,847.55x = 11,149,271.33 × 7,432,847.55
  4. Step 4: Simplify right side
    7,432,847.55x = 82,870,834,052,311.50
  5. Step 5: Solve for x
    x = 82,870,834,052,311.50/7,432,847.55
  6. Step 6: Final answer
    x = 11,149,271.33

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Double scale
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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.