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Finding the Fourth Proportional to 2,894.94, 4,342.42 and 703.67

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Solution

The fourth proportional to 2,894.94, 4,342.42 and 703.67 is: 1,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.94 : 4,342.42 = 703.67 : x
  2. Step 2: Convert to fraction form
    2,894.94/4,342.42 = 703.67/x
  3. Step 3: Cross multiply
    2,894.94x = 4,342.42 × 703.67
  4. Step 4: Simplify right side
    2,894.94x = 3,055,630.68
  5. Step 5: Solve for x
    x = 3,055,630.68/2,894.94
  6. Step 6: Final answer
    x = 1,055.51

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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.