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Finding the Fourth Proportional to 7,001.94, 9,662.88 and 3,858.33

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Solution

The fourth proportional to 7,001.94, 9,662.88 and 3,858.33 is: 5,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.94 : 9,662.88 = 3,858.33 : x
  2. Step 2: Convert to fraction form
    7,001.94/9,662.88 = 3,858.33/x
  3. Step 3: Cross multiply
    7,001.94x = 9,662.88 × 3,858.33
  4. Step 4: Simplify right side
    7,001.94x = 37,282,560.50
  5. Step 5: Solve for x
    x = 37,282,560.50/7,001.94
  6. Step 6: Final answer
    x = 5,324.60

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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.