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Finding the Fourth Proportional to 2,346.79, 3,519.65 and 703.13

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Solution

The fourth proportional to 2,346.79, 3,519.65 and 703.13 is: 1,054.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.79 : 3,519.65 = 703.13 : x
  2. Step 2: Convert to fraction form
    2,346.79/3,519.65 = 703.13/x
  3. Step 3: Cross multiply
    2,346.79x = 3,519.65 × 703.13
  4. Step 4: Simplify right side
    2,346.79x = 2,474,755.66
  5. Step 5: Solve for x
    x = 2,474,755.66/2,346.79
  6. Step 6: Final answer
    x = 1,054.53

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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.