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Finding the Fourth Proportional to 5,807.44, 8,018.04 and 4,747.78

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Solution

The fourth proportional to 5,807.44, 8,018.04 and 4,747.78 is: 6,555.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.44 : 8,018.04 = 4,747.78 : x
  2. Step 2: Convert to fraction form
    5,807.44/8,018.04 = 4,747.78/x
  3. Step 3: Cross multiply
    5,807.44x = 8,018.04 × 4,747.78
  4. Step 4: Simplify right side
    5,807.44x = 38,067,889.95
  5. Step 5: Solve for x
    x = 38,067,889.95/5,807.44
  6. Step 6: Final answer
    x = 6,555.02

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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.