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Finding the Fourth Proportional to 32,998,468.80, 49,544,942.40 and 18,649,561.80

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Solution

The fourth proportional to 32,998,468.80, 49,544,942.40 and 18,649,561.80 is: 28,001,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,998,468.80 : 49,544,942.40 = 18,649,561.80 : x
  2. Step 2: Convert to fraction form
    32,998,468.80/49,544,942.40 = 18,649,561.80/x
  3. Step 3: Cross multiply
    32,998,468.80x = 49,544,942.40 × 18,649,561.80
  4. Step 4: Simplify right side
    32,998,468.80x = 923,991,465,166,240.38
  5. Step 5: Solve for x
    x = 923,991,465,166,240.38/32,998,468.80
  6. Step 6: Final answer
    x = 28,001,040.62

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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.