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Finding the Fourth Proportional to 5,663,478.90, 8,494,829.55 and 1,825,245.30

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Solution

The fourth proportional to 5,663,478.90, 8,494,829.55 and 1,825,245.30 is: 2,737,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663,478.90 : 8,494,829.55 = 1,825,245.30 : x
  2. Step 2: Convert to fraction form
    5,663,478.90/8,494,829.55 = 1,825,245.30/x
  3. Step 3: Cross multiply
    5,663,478.90x = 8,494,829.55 × 1,825,245.30
  4. Step 4: Simplify right side
    5,663,478.90x = 15,505,147,710,438.62
  5. Step 5: Solve for x
    x = 15,505,147,710,438.62/5,663,478.90
  6. Step 6: Final answer
    x = 2,737,742.65

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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.