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Finding the Fourth Proportional to 3,548.60, 5,322.63 and 951.56

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Solution

The fourth proportional to 3,548.60, 5,322.63 and 951.56 is: 1,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.60 : 5,322.63 = 951.56 : x
  2. Step 2: Convert to fraction form
    3,548.60/5,322.63 = 951.56/x
  3. Step 3: Cross multiply
    3,548.60x = 5,322.63 × 951.56
  4. Step 4: Simplify right side
    3,548.60x = 5,064,801.80
  5. Step 5: Solve for x
    x = 5,064,801.80/3,548.60
  6. Step 6: Final answer
    x = 1,427.27

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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.