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Finding the Fourth Proportional to 17,271.52, 25,837.52 and 14,355.68

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Solution

The fourth proportional to 17,271.52, 25,837.52 and 14,355.68 is: 21,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.52 : 25,837.52 = 14,355.68 : x
  2. Step 2: Convert to fraction form
    17,271.52/25,837.52 = 14,355.68/x
  3. Step 3: Cross multiply
    17,271.52x = 25,837.52 × 14,355.68
  4. Step 4: Simplify right side
    17,271.52x = 370,915,169.11
  5. Step 5: Solve for x
    x = 370,915,169.11/17,271.52
  6. Step 6: Final answer
    x = 21,475.54

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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.