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Finding the Fourth Proportional to 9,883.87, 14,827.18 and 3,311.94

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Solution

The fourth proportional to 9,883.87, 14,827.18 and 3,311.94 is: 4,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.87 : 14,827.18 = 3,311.94 : x
  2. Step 2: Convert to fraction form
    9,883.87/14,827.18 = 3,311.94/x
  3. Step 3: Cross multiply
    9,883.87x = 14,827.18 × 3,311.94
  4. Step 4: Simplify right side
    9,883.87x = 49,106,691.34
  5. Step 5: Solve for x
    x = 49,106,691.34/9,883.87
  6. Step 6: Final answer
    x = 4,968.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.