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Finding the Fourth Proportional to 1,088.41, 1,629.50 and 1,019.44

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Solution

The fourth proportional to 1,088.41, 1,629.50 and 1,019.44 is: 1,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.41 : 1,629.50 = 1,019.44 : x
  2. Step 2: Convert to fraction form
    1,088.41/1,629.50 = 1,019.44/x
  3. Step 3: Cross multiply
    1,088.41x = 1,629.50 × 1,019.44
  4. Step 4: Simplify right side
    1,088.41x = 1,661,177.48
  5. Step 5: Solve for x
    x = 1,661,177.48/1,088.41
  6. Step 6: Final answer
    x = 1,526.24

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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.