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Finding the Fourth Proportional to 3,594.82, 5,393.60 and 1,405.07

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Solution

The fourth proportional to 3,594.82, 5,393.60 and 1,405.07 is: 2,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,594.82 : 5,393.60 = 1,405.07 : x
  2. Step 2: Convert to fraction form
    3,594.82/5,393.60 = 1,405.07/x
  3. Step 3: Cross multiply
    3,594.82x = 5,393.60 × 1,405.07
  4. Step 4: Simplify right side
    3,594.82x = 7,578,378.53
  5. Step 5: Solve for x
    x = 7,578,378.53/3,594.82
  6. Step 6: Final answer
    x = 2,108.14

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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.