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Finding the Fourth Proportional to 5,510.90, 7,600.64 and 4,448.39

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Solution

The fourth proportional to 5,510.90, 7,600.64 and 4,448.39 is: 6,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.90 : 7,600.64 = 4,448.39 : x
  2. Step 2: Convert to fraction form
    5,510.90/7,600.64 = 4,448.39/x
  3. Step 3: Cross multiply
    5,510.90x = 7,600.64 × 4,448.39
  4. Step 4: Simplify right side
    5,510.90x = 33,810,550.72
  5. Step 5: Solve for x
    x = 33,810,550.72/5,510.90
  6. Step 6: Final answer
    x = 6,135.21

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1.5x scale

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.