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Finding the Fourth Proportional to 5,641,352.69, 7,784,986.83 and 3,193,900.13

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Solution

The fourth proportional to 5,641,352.69, 7,784,986.83 and 3,193,900.13 is: 4,407,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641,352.69 : 7,784,986.83 = 3,193,900.13 : x
  2. Step 2: Convert to fraction form
    5,641,352.69/7,784,986.83 = 3,193,900.13/x
  3. Step 3: Cross multiply
    5,641,352.69x = 7,784,986.83 × 3,193,900.13
  4. Step 4: Simplify right side
    5,641,352.69x = 24,864,470,448,385.29
  5. Step 5: Solve for x
    x = 24,864,470,448,385.29/5,641,352.69
  6. Step 6: Final answer
    x = 4,407,536.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.