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Finding the Fourth Proportional to 1,050.08, 1,448.46 and 754.88

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Solution

The fourth proportional to 1,050.08, 1,448.46 and 754.88 is: 1,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.08 : 1,448.46 = 754.88 : x
  2. Step 2: Convert to fraction form
    1,050.08/1,448.46 = 754.88/x
  3. Step 3: Cross multiply
    1,050.08x = 1,448.46 × 754.88
  4. Step 4: Simplify right side
    1,050.08x = 1,093,413.48
  5. Step 5: Solve for x
    x = 1,093,413.48/1,050.08
  6. Step 6: Final answer
    x = 1,041.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.