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Finding the Fourth Proportional to 3,792,690.69, 5,689,041.51 and 1,548,828.69

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Solution

The fourth proportional to 3,792,690.69, 5,689,041.51 and 1,548,828.69 is: 2,323,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792,690.69 : 5,689,041.51 = 1,548,828.69 : x
  2. Step 2: Convert to fraction form
    3,792,690.69/5,689,041.51 = 1,548,828.69/x
  3. Step 3: Cross multiply
    3,792,690.69x = 5,689,041.51 × 1,548,828.69
  4. Step 4: Simplify right side
    3,792,690.69x = 8,811,350,709,288.92
  5. Step 5: Solve for x
    x = 8,811,350,709,288.92/3,792,690.69
  6. Step 6: Final answer
    x = 2,323,245.27

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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.