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Finding the Fourth Proportional to 17,795.50, 26,697.04 and 5,316.50

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Solution

The fourth proportional to 17,795.50, 26,697.04 and 5,316.50 is: 7,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,795.50 : 26,697.04 = 5,316.50 : x
  2. Step 2: Convert to fraction form
    17,795.50/26,697.04 = 5,316.50/x
  3. Step 3: Cross multiply
    17,795.50x = 26,697.04 × 5,316.50
  4. Step 4: Simplify right side
    17,795.50x = 141,934,813.16
  5. Step 5: Solve for x
    x = 141,934,813.16/17,795.50
  6. Step 6: Final answer
    x = 7,975.88

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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.