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Finding the Fourth Proportional to 14,464.75, 21,700.41 and 5,230.75

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Solution

The fourth proportional to 14,464.75, 21,700.41 and 5,230.75 is: 7,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.75 : 21,700.41 = 5,230.75 : x
  2. Step 2: Convert to fraction form
    14,464.75/21,700.41 = 5,230.75/x
  3. Step 3: Cross multiply
    14,464.75x = 21,700.41 × 5,230.75
  4. Step 4: Simplify right side
    14,464.75x = 113,509,419.61
  5. Step 5: Solve for x
    x = 113,509,419.61/14,464.75
  6. Step 6: Final answer
    x = 7,847.31

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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.