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Finding the Fourth Proportional to 13,752.41, 18,958.41 and 10,162.09

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Solution

The fourth proportional to 13,752.41, 18,958.41 and 10,162.09 is: 14,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.41 : 18,958.41 = 10,162.09 : x
  2. Step 2: Convert to fraction form
    13,752.41/18,958.41 = 10,162.09/x
  3. Step 3: Cross multiply
    13,752.41x = 18,958.41 × 10,162.09
  4. Step 4: Simplify right side
    13,752.41x = 192,657,068.68
  5. Step 5: Solve for x
    x = 192,657,068.68/13,752.41
  6. Step 6: Final answer
    x = 14,008.97

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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.