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Finding the Fourth Proportional to 2,353.95, 3,531.02 and 1,056.33

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Solution

The fourth proportional to 2,353.95, 3,531.02 and 1,056.33 is: 1,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.95 : 3,531.02 = 1,056.33 : x
  2. Step 2: Convert to fraction form
    2,353.95/3,531.02 = 1,056.33/x
  3. Step 3: Cross multiply
    2,353.95x = 3,531.02 × 1,056.33
  4. Step 4: Simplify right side
    2,353.95x = 3,729,917.07
  5. Step 5: Solve for x
    x = 3,729,917.07/2,353.95
  6. Step 6: Final answer
    x = 1,584.54

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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.