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Finding the Fourth Proportional to 5,365.99, 7,388.85 and 4,759.84

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Solution

The fourth proportional to 5,365.99, 7,388.85 and 4,759.84 is: 6,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.99 : 7,388.85 = 4,759.84 : x
  2. Step 2: Convert to fraction form
    5,365.99/7,388.85 = 4,759.84/x
  3. Step 3: Cross multiply
    5,365.99x = 7,388.85 × 4,759.84
  4. Step 4: Simplify right side
    5,365.99x = 35,169,743.78
  5. Step 5: Solve for x
    x = 35,169,743.78/5,365.99
  6. Step 6: Final answer
    x = 6,554.19

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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.