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Finding the Fourth Proportional to 17,316.71, 25,993.43 and 14,069.01

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Solution

The fourth proportional to 17,316.71, 25,993.43 and 14,069.01 is: 21,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,316.71 : 25,993.43 = 14,069.01 : x
  2. Step 2: Convert to fraction form
    17,316.71/25,993.43 = 14,069.01/x
  3. Step 3: Cross multiply
    17,316.71x = 25,993.43 × 14,069.01
  4. Step 4: Simplify right side
    17,316.71x = 365,701,826.60
  5. Step 5: Solve for x
    x = 365,701,826.60/17,316.71
  6. Step 6: Final answer
    x = 21,118.44

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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.