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Finding the Fourth Proportional to 5,561.94, 7,675.28 and 3,323.28

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Solution

The fourth proportional to 5,561.94, 7,675.28 and 3,323.28 is: 4,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.94 : 7,675.28 = 3,323.28 : x
  2. Step 2: Convert to fraction form
    5,561.94/7,675.28 = 3,323.28/x
  3. Step 3: Cross multiply
    5,561.94x = 7,675.28 × 3,323.28
  4. Step 4: Simplify right side
    5,561.94x = 25,507,104.52
  5. Step 5: Solve for x
    x = 25,507,104.52/5,561.94
  6. Step 6: Final answer
    x = 4,586.01

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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.