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Finding the Fourth Proportional to 6,940.71, 10,411.07 and 3,044.81

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Solution

The fourth proportional to 6,940.71, 10,411.07 and 3,044.81 is: 4,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.71 : 10,411.07 = 3,044.81 : x
  2. Step 2: Convert to fraction form
    6,940.71/10,411.07 = 3,044.81/x
  3. Step 3: Cross multiply
    6,940.71x = 10,411.07 × 3,044.81
  4. Step 4: Simplify right side
    6,940.71x = 31,699,740.85
  5. Step 5: Solve for x
    x = 31,699,740.85/6,940.71
  6. Step 6: Final answer
    x = 4,567.22

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1.5x scale

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.