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Finding the Fourth Proportional to 10,726,617.90, 16,089,926.85 and 10,726,617.90

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Solution

The fourth proportional to 10,726,617.90, 16,089,926.85 and 10,726,617.90 is: 16,089,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726,617.90 : 16,089,926.85 = 10,726,617.90 : x
  2. Step 2: Convert to fraction form
    10,726,617.90/16,089,926.85 = 10,726,617.90/x
  3. Step 3: Cross multiply
    10,726,617.90x = 16,089,926.85 × 10,726,617.90
  4. Step 4: Simplify right side
    10,726,617.90x = 172,590,497,358,900.62
  5. Step 5: Solve for x
    x = 172,590,497,358,900.62/10,726,617.90
  6. Step 6: Final answer
    x = 16,089,926.85

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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.