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Finding the Fourth Proportional to 2,338.92, 3,505.93 and 877.44

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Solution

The fourth proportional to 2,338.92, 3,505.93 and 877.44 is: 1,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.92 : 3,505.93 = 877.44 : x
  2. Step 2: Convert to fraction form
    2,338.92/3,505.93 = 877.44/x
  3. Step 3: Cross multiply
    2,338.92x = 3,505.93 × 877.44
  4. Step 4: Simplify right side
    2,338.92x = 3,076,243.22
  5. Step 5: Solve for x
    x = 3,076,243.22/2,338.92
  6. Step 6: Final answer
    x = 1,315.24

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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.