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Finding the Fourth Proportional to 3,795.65, 5,696.04 and 1,330.50

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Solution

The fourth proportional to 3,795.65, 5,696.04 and 1,330.50 is: 1,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.65 : 5,696.04 = 1,330.50 : x
  2. Step 2: Convert to fraction form
    3,795.65/5,696.04 = 1,330.50/x
  3. Step 3: Cross multiply
    3,795.65x = 5,696.04 × 1,330.50
  4. Step 4: Simplify right side
    3,795.65x = 7,578,581.22
  5. Step 5: Solve for x
    x = 7,578,581.22/3,795.65
  6. Step 6: Final answer
    x = 1,996.65

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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.