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Finding the Fourth Proportional to 4,993.85, 6,892.36 and 4,772.42

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Solution

The fourth proportional to 4,993.85, 6,892.36 and 4,772.42 is: 6,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.85 : 6,892.36 = 4,772.42 : x
  2. Step 2: Convert to fraction form
    4,993.85/6,892.36 = 4,772.42/x
  3. Step 3: Cross multiply
    4,993.85x = 6,892.36 × 4,772.42
  4. Step 4: Simplify right side
    4,993.85x = 32,893,216.16
  5. Step 5: Solve for x
    x = 32,893,216.16/4,993.85
  6. Step 6: Final answer
    x = 6,586.74

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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.