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Finding the Fourth Proportional to 1,093.37, 1,638.08 and 1,048.93

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Solution

The fourth proportional to 1,093.37, 1,638.08 and 1,048.93 is: 1,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.37 : 1,638.08 = 1,048.93 : x
  2. Step 2: Convert to fraction form
    1,093.37/1,638.08 = 1,048.93/x
  3. Step 3: Cross multiply
    1,093.37x = 1,638.08 × 1,048.93
  4. Step 4: Simplify right side
    1,093.37x = 1,718,231.25
  5. Step 5: Solve for x
    x = 1,718,231.25/1,093.37
  6. Step 6: Final answer
    x = 1,571.50

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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.