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Finding the Fourth Proportional to 6,848.72, 9,449.96 and 4,015.96

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Solution

The fourth proportional to 6,848.72, 9,449.96 and 4,015.96 is: 5,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,848.72 : 9,449.96 = 4,015.96 : x
  2. Step 2: Convert to fraction form
    6,848.72/9,449.96 = 4,015.96/x
  3. Step 3: Cross multiply
    6,848.72x = 9,449.96 × 4,015.96
  4. Step 4: Simplify right side
    6,848.72x = 37,950,661.36
  5. Step 5: Solve for x
    x = 37,950,661.36/6,848.72
  6. Step 6: Final answer
    x = 5,541.28

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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.