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Finding the Fourth Proportional to 3,548.94, 5,323.41 and 2,907.42

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Solution

The fourth proportional to 3,548.94, 5,323.41 and 2,907.42 is: 4,361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.94 : 5,323.41 = 2,907.42 : x
  2. Step 2: Convert to fraction form
    3,548.94/5,323.41 = 2,907.42/x
  3. Step 3: Cross multiply
    3,548.94x = 5,323.41 × 2,907.42
  4. Step 4: Simplify right side
    3,548.94x = 15,477,388.70
  5. Step 5: Solve for x
    x = 15,477,388.70/3,548.94
  6. Step 6: Final answer
    x = 4,361.13

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.