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Finding the Fourth Proportional to 5,903.75, 8,856.03 and 1,955

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Solution

The fourth proportional to 5,903.75, 8,856.03 and 1,955 is: 2,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.75 : 8,856.03 = 1,955 : x
  2. Step 2: Convert to fraction form
    5,903.75/8,856.03 = 1,955/x
  3. Step 3: Cross multiply
    5,903.75x = 8,856.03 × 1,955
  4. Step 4: Simplify right side
    5,903.75x = 17,313,538.65
  5. Step 5: Solve for x
    x = 17,313,538.65/5,903.75
  6. Step 6: Final answer
    x = 2,932.63

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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.