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Finding the Fourth Proportional to 4,749.56, 6,556.22 and 4,251.32

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Solution

The fourth proportional to 4,749.56, 6,556.22 and 4,251.32 is: 5,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.56 : 6,556.22 = 4,251.32 : x
  2. Step 2: Convert to fraction form
    4,749.56/6,556.22 = 4,251.32/x
  3. Step 3: Cross multiply
    4,749.56x = 6,556.22 × 4,251.32
  4. Step 4: Simplify right side
    4,749.56x = 27,872,535.17
  5. Step 5: Solve for x
    x = 27,872,535.17/4,749.56
  6. Step 6: Final answer
    x = 5,868.45

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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.