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Finding the Fourth Proportional to 1,795.65, 2,693.88 and 929.76

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Solution

The fourth proportional to 1,795.65, 2,693.88 and 929.76 is: 1,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.65 : 2,693.88 = 929.76 : x
  2. Step 2: Convert to fraction form
    1,795.65/2,693.88 = 929.76/x
  3. Step 3: Cross multiply
    1,795.65x = 2,693.88 × 929.76
  4. Step 4: Simplify right side
    1,795.65x = 2,504,661.87
  5. Step 5: Solve for x
    x = 2,504,661.87/1,795.65
  6. Step 6: Final answer
    x = 1,394.85

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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.