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Finding the Fourth Proportional to 3,506.34, 5,261.13 and 1,559.82

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Solution

The fourth proportional to 3,506.34, 5,261.13 and 1,559.82 is: 2,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.34 : 5,261.13 = 1,559.82 : x
  2. Step 2: Convert to fraction form
    3,506.34/5,261.13 = 1,559.82/x
  3. Step 3: Cross multiply
    3,506.34x = 5,261.13 × 1,559.82
  4. Step 4: Simplify right side
    3,506.34x = 8,206,415.80
  5. Step 5: Solve for x
    x = 8,206,415.80/3,506.34
  6. Step 6: Final answer
    x = 2,340.45

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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.