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Finding the Fourth Proportional to 14,375.44, 19,850.60 and 10,605.16

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Solution

The fourth proportional to 14,375.44, 19,850.60 and 10,605.16 is: 14,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.44 : 19,850.60 = 10,605.16 : x
  2. Step 2: Convert to fraction form
    14,375.44/19,850.60 = 10,605.16/x
  3. Step 3: Cross multiply
    14,375.44x = 19,850.60 × 10,605.16
  4. Step 4: Simplify right side
    14,375.44x = 210,518,789.10
  5. Step 5: Solve for x
    x = 210,518,789.10/14,375.44
  6. Step 6: Final answer
    x = 14,644.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.