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Finding the Fourth Proportional to 3,548.81, 5,323.22 and 951.82

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Solution

The fourth proportional to 3,548.81, 5,323.22 and 951.82 is: 1,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.81 : 5,323.22 = 951.82 : x
  2. Step 2: Convert to fraction form
    3,548.81/5,323.22 = 951.82/x
  3. Step 3: Cross multiply
    3,548.81x = 5,323.22 × 951.82
  4. Step 4: Simplify right side
    3,548.81x = 5,066,715.89
  5. Step 5: Solve for x
    x = 5,066,715.89/3,548.81
  6. Step 6: Final answer
    x = 1,427.72

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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.