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Finding the Fourth Proportional to 5,934.98, 8,191.32 and 4,989.98

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Solution

The fourth proportional to 5,934.98, 8,191.32 and 4,989.98 is: 6,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,934.98 : 8,191.32 = 4,989.98 : x
  2. Step 2: Convert to fraction form
    5,934.98/8,191.32 = 4,989.98/x
  3. Step 3: Cross multiply
    5,934.98x = 8,191.32 × 4,989.98
  4. Step 4: Simplify right side
    5,934.98x = 40,874,522.97
  5. Step 5: Solve for x
    x = 40,874,522.97/5,934.98
  6. Step 6: Final answer
    x = 6,887.05

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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.