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Finding the Fourth Proportional to 4,255.44, 6,342.93 and 4,047.48

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Solution

The fourth proportional to 4,255.44, 6,342.93 and 4,047.48 is: 6,032.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.44 : 6,342.93 = 4,047.48 : x
  2. Step 2: Convert to fraction form
    4,255.44/6,342.93 = 4,047.48/x
  3. Step 3: Cross multiply
    4,255.44x = 6,342.93 × 4,047.48
  4. Step 4: Simplify right side
    4,255.44x = 25,672,882.32
  5. Step 5: Solve for x
    x = 25,672,882.32/4,255.44
  6. Step 6: Final answer
    x = 6,032.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.