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Finding the Fourth Proportional to 4,992.85, 6,888.85 and 3,664.24

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Solution

The fourth proportional to 4,992.85, 6,888.85 and 3,664.24 is: 5,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.85 : 6,888.85 = 3,664.24 : x
  2. Step 2: Convert to fraction form
    4,992.85/6,888.85 = 3,664.24/x
  3. Step 3: Cross multiply
    4,992.85x = 6,888.85 × 3,664.24
  4. Step 4: Simplify right side
    4,992.85x = 25,242,399.72
  5. Step 5: Solve for x
    x = 25,242,399.72/4,992.85
  6. Step 6: Final answer
    x = 5,055.71

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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.