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Finding the Fourth Proportional to 3,860.33, 5,762.54 and 3,393.24

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Solution

The fourth proportional to 3,860.33, 5,762.54 and 3,393.24 is: 5,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.33 : 5,762.54 = 3,393.24 : x
  2. Step 2: Convert to fraction form
    3,860.33/5,762.54 = 3,393.24/x
  3. Step 3: Cross multiply
    3,860.33x = 5,762.54 × 3,393.24
  4. Step 4: Simplify right side
    3,860.33x = 19,553,664.26
  5. Step 5: Solve for x
    x = 19,553,664.26/3,860.33
  6. Step 6: Final answer
    x = 5,065.29

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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.