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Finding the Fourth Proportional to 1,483.88, 2,222.36 and 934.44

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Solution

The fourth proportional to 1,483.88, 2,222.36 and 934.44 is: 1,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.88 : 2,222.36 = 934.44 : x
  2. Step 2: Convert to fraction form
    1,483.88/2,222.36 = 934.44/x
  3. Step 3: Cross multiply
    1,483.88x = 2,222.36 × 934.44
  4. Step 4: Simplify right side
    1,483.88x = 2,076,662.08
  5. Step 5: Solve for x
    x = 2,076,662.08/1,483.88
  6. Step 6: Final answer
    x = 1,399.48

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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.