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Finding the Fourth Proportional to 9,861.63, 14,794.10 and 4,314.84

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Solution

The fourth proportional to 9,861.63, 14,794.10 and 4,314.84 is: 6,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.63 : 14,794.10 = 4,314.84 : x
  2. Step 2: Convert to fraction form
    9,861.63/14,794.10 = 4,314.84/x
  3. Step 3: Cross multiply
    9,861.63x = 14,794.10 × 4,314.84
  4. Step 4: Simplify right side
    9,861.63x = 63,834,174.44
  5. Step 5: Solve for x
    x = 63,834,174.44/9,861.63
  6. Step 6: Final answer
    x = 6,472.98

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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.