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Finding the Fourth Proportional to 2,313.95, 3,470.94 and 670.68

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Solution

The fourth proportional to 2,313.95, 3,470.94 and 670.68 is: 1,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.95 : 3,470.94 = 670.68 : x
  2. Step 2: Convert to fraction form
    2,313.95/3,470.94 = 670.68/x
  3. Step 3: Cross multiply
    2,313.95x = 3,470.94 × 670.68
  4. Step 4: Simplify right side
    2,313.95x = 2,327,890.04
  5. Step 5: Solve for x
    x = 2,327,890.04/2,313.95
  6. Step 6: Final answer
    x = 1,006.03

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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.