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Finding the Fourth Proportional to 2,346.98, 3,520.33 and 703.57

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Solution

The fourth proportional to 2,346.98, 3,520.33 and 703.57 is: 1,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.98 : 3,520.33 = 703.57 : x
  2. Step 2: Convert to fraction form
    2,346.98/3,520.33 = 703.57/x
  3. Step 3: Cross multiply
    2,346.98x = 3,520.33 × 703.57
  4. Step 4: Simplify right side
    2,346.98x = 2,476,798.58
  5. Step 5: Solve for x
    x = 2,476,798.58/2,346.98
  6. Step 6: Final answer
    x = 1,055.31

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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.