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Finding the Fourth Proportional to 6,572.78, 9,055.02 and 4,579.72

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Solution

The fourth proportional to 6,572.78, 9,055.02 and 4,579.72 is: 6,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.78 : 9,055.02 = 4,579.72 : x
  2. Step 2: Convert to fraction form
    6,572.78/9,055.02 = 4,579.72/x
  3. Step 3: Cross multiply
    6,572.78x = 9,055.02 × 4,579.72
  4. Step 4: Simplify right side
    6,572.78x = 41,469,456.19
  5. Step 5: Solve for x
    x = 41,469,456.19/6,572.78
  6. Step 6: Final answer
    x = 6,309.27

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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.