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Finding the Fourth Proportional to 5,846.08, 8,064.80 and 3,955.20

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Solution

The fourth proportional to 5,846.08, 8,064.80 and 3,955.20 is: 5,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,846.08 : 8,064.80 = 3,955.20 : x
  2. Step 2: Convert to fraction form
    5,846.08/8,064.80 = 3,955.20/x
  3. Step 3: Cross multiply
    5,846.08x = 8,064.80 × 3,955.20
  4. Step 4: Simplify right side
    5,846.08x = 31,897,896.96
  5. Step 5: Solve for x
    x = 31,897,896.96/5,846.08
  6. Step 6: Final answer
    x = 5,456.29

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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.