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Finding the Fourth Proportional to 17,239.68, 25,870.86 and 9,453.96

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Solution

The fourth proportional to 17,239.68, 25,870.86 and 9,453.96 is: 14,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.68 : 25,870.86 = 9,453.96 : x
  2. Step 2: Convert to fraction form
    17,239.68/25,870.86 = 9,453.96/x
  3. Step 3: Cross multiply
    17,239.68x = 25,870.86 × 9,453.96
  4. Step 4: Simplify right side
    17,239.68x = 244,582,075.61
  5. Step 5: Solve for x
    x = 244,582,075.61/17,239.68
  6. Step 6: Final answer
    x = 14,187.16

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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.