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Finding the Fourth Proportional to 3,571.84, 5,360.48 and 2,483.84

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Solution

The fourth proportional to 3,571.84, 5,360.48 and 2,483.84 is: 3,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.84 : 5,360.48 = 2,483.84 : x
  2. Step 2: Convert to fraction form
    3,571.84/5,360.48 = 2,483.84/x
  3. Step 3: Cross multiply
    3,571.84x = 5,360.48 × 2,483.84
  4. Step 4: Simplify right side
    3,571.84x = 13,314,574.64
  5. Step 5: Solve for x
    x = 13,314,574.64/3,571.84
  6. Step 6: Final answer
    x = 3,727.65

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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.