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Finding the Fourth Proportional to 2,894.49, 4,341.78 and 703.26

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Solution

The fourth proportional to 2,894.49, 4,341.78 and 703.26 is: 1,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.49 : 4,341.78 = 703.26 : x
  2. Step 2: Convert to fraction form
    2,894.49/4,341.78 = 703.26/x
  3. Step 3: Cross multiply
    2,894.49x = 4,341.78 × 703.26
  4. Step 4: Simplify right side
    2,894.49x = 3,053,400.20
  5. Step 5: Solve for x
    x = 3,053,400.20/2,894.49
  6. Step 6: Final answer
    x = 1,054.90

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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.