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Finding the Fourth Proportional to 10,361,498.55, 15,542,247.83 and 10,361,498.55

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Solution

The fourth proportional to 10,361,498.55, 15,542,247.83 and 10,361,498.55 is: 15,542,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,498.55 : 15,542,247.83 = 10,361,498.55 : x
  2. Step 2: Convert to fraction form
    10,361,498.55/15,542,247.83 = 10,361,498.55/x
  3. Step 3: Cross multiply
    10,361,498.55x = 15,542,247.83 × 10,361,498.55
  4. Step 4: Simplify right side
    10,361,498.55x = 161,040,978,302,478.16
  5. Step 5: Solve for x
    x = 161,040,978,302,478.16/10,361,498.55
  6. Step 6: Final answer
    x = 15,542,247.83

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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.