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Finding the Fourth Proportional to 3,703.98, 5,558.70 and 1,756.18

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Solution

The fourth proportional to 3,703.98, 5,558.70 and 1,756.18 is: 2,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.98 : 5,558.70 = 1,756.18 : x
  2. Step 2: Convert to fraction form
    3,703.98/5,558.70 = 1,756.18/x
  3. Step 3: Cross multiply
    3,703.98x = 5,558.70 × 1,756.18
  4. Step 4: Simplify right side
    3,703.98x = 9,762,077.77
  5. Step 5: Solve for x
    x = 9,762,077.77/3,703.98
  6. Step 6: Final answer
    x = 2,635.56

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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.