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Finding the Fourth Proportional to 7,406.71, 11,044.73 and 7,340.04

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Solution

The fourth proportional to 7,406.71, 11,044.73 and 7,340.04 is: 10,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.71 : 11,044.73 = 7,340.04 : x
  2. Step 2: Convert to fraction form
    7,406.71/11,044.73 = 7,340.04/x
  3. Step 3: Cross multiply
    7,406.71x = 11,044.73 × 7,340.04
  4. Step 4: Simplify right side
    7,406.71x = 81,068,759.99
  5. Step 5: Solve for x
    x = 81,068,759.99/7,406.71
  6. Step 6: Final answer
    x = 10,945.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.