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Finding the Fourth Proportional to 5,339.75, 7,368.33 and 3,662.60

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Solution

The fourth proportional to 5,339.75, 7,368.33 and 3,662.60 is: 5,054.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.75 : 7,368.33 = 3,662.60 : x
  2. Step 2: Convert to fraction form
    5,339.75/7,368.33 = 3,662.60/x
  3. Step 3: Cross multiply
    5,339.75x = 7,368.33 × 3,662.60
  4. Step 4: Simplify right side
    5,339.75x = 26,987,208.62
  5. Step 5: Solve for x
    x = 26,987,208.62/5,339.75
  6. Step 6: Final answer
    x = 5,054.03

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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.