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Finding the Fourth Proportional to 5,007.72, 6,917.96 and 3,952.48

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Solution

The fourth proportional to 5,007.72, 6,917.96 and 3,952.48 is: 5,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.72 : 6,917.96 = 3,952.48 : x
  2. Step 2: Convert to fraction form
    5,007.72/6,917.96 = 3,952.48/x
  3. Step 3: Cross multiply
    5,007.72x = 6,917.96 × 3,952.48
  4. Step 4: Simplify right side
    5,007.72x = 27,343,098.54
  5. Step 5: Solve for x
    x = 27,343,098.54/5,007.72
  6. Step 6: Final answer
    x = 5,460.19

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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.