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Finding the Fourth Proportional to 7,046.22, 9,724.09 and 3,902.41

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Solution

The fourth proportional to 7,046.22, 9,724.09 and 3,902.41 is: 5,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.22 : 9,724.09 = 3,902.41 : x
  2. Step 2: Convert to fraction form
    7,046.22/9,724.09 = 3,902.41/x
  3. Step 3: Cross multiply
    7,046.22x = 9,724.09 × 3,902.41
  4. Step 4: Simplify right side
    7,046.22x = 37,947,386.06
  5. Step 5: Solve for x
    x = 37,947,386.06/7,046.22
  6. Step 6: Final answer
    x = 5,385.50

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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.