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Finding the Fourth Proportional to 6,650,295.69, 9,975,740.85 and 2,038,950.15

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Solution

The fourth proportional to 6,650,295.69, 9,975,740.85 and 2,038,950.15 is: 3,058,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650,295.69 : 9,975,740.85 = 2,038,950.15 : x
  2. Step 2: Convert to fraction form
    6,650,295.69/9,975,740.85 = 2,038,950.15/x
  3. Step 3: Cross multiply
    6,650,295.69x = 9,975,740.85 × 2,038,950.15
  4. Step 4: Simplify right side
    6,650,295.69x = 20,340,038,302,468.62
  5. Step 5: Solve for x
    x = 20,340,038,302,468.62/6,650,295.69
  6. Step 6: Final answer
    x = 3,058,516.38

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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.