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Finding the Fourth Proportional to 14,620.62, 21,927.33 and 4,230.30

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Solution

The fourth proportional to 14,620.62, 21,927.33 and 4,230.30 is: 6,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.62 : 21,927.33 = 4,230.30 : x
  2. Step 2: Convert to fraction form
    14,620.62/21,927.33 = 4,230.30/x
  3. Step 3: Cross multiply
    14,620.62x = 21,927.33 × 4,230.30
  4. Step 4: Simplify right side
    14,620.62x = 92,759,184.10
  5. Step 5: Solve for x
    x = 92,759,184.10/14,620.62
  6. Step 6: Final answer
    x = 6,344.41

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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.