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Finding the Fourth Proportional to 5,574.54, 7,692.75 and 3,090.54

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Solution

The fourth proportional to 5,574.54, 7,692.75 and 3,090.54 is: 4,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.54 : 7,692.75 = 3,090.54 : x
  2. Step 2: Convert to fraction form
    5,574.54/7,692.75 = 3,090.54/x
  3. Step 3: Cross multiply
    5,574.54x = 7,692.75 × 3,090.54
  4. Step 4: Simplify right side
    5,574.54x = 23,774,751.59
  5. Step 5: Solve for x
    x = 23,774,751.59/5,574.54
  6. Step 6: Final answer
    x = 4,264.88

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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.