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Finding the Fourth Proportional to 4,960.72, 6,845.64 and 2,722.51

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Solution

The fourth proportional to 4,960.72, 6,845.64 and 2,722.51 is: 3,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.72 : 6,845.64 = 2,722.51 : x
  2. Step 2: Convert to fraction form
    4,960.72/6,845.64 = 2,722.51/x
  3. Step 3: Cross multiply
    4,960.72x = 6,845.64 × 2,722.51
  4. Step 4: Simplify right side
    4,960.72x = 18,637,323.36
  5. Step 5: Solve for x
    x = 18,637,323.36/4,960.72
  6. Step 6: Final answer
    x = 3,756.98

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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.