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Finding the Fourth Proportional to 9,840.52, 14,760.78 and 2,914.84

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Solution

The fourth proportional to 9,840.52, 14,760.78 and 2,914.84 is: 4,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.52 : 14,760.78 = 2,914.84 : x
  2. Step 2: Convert to fraction form
    9,840.52/14,760.78 = 2,914.84/x
  3. Step 3: Cross multiply
    9,840.52x = 14,760.78 × 2,914.84
  4. Step 4: Simplify right side
    9,840.52x = 43,025,311.98
  5. Step 5: Solve for x
    x = 43,025,311.98/9,840.52
  6. Step 6: Final answer
    x = 4,372.26

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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.