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Finding the Fourth Proportional to 1,484.88, 2,223.86 and 935.44

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Solution

The fourth proportional to 1,484.88, 2,223.86 and 935.44 is: 1,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.88 : 2,223.86 = 935.44 : x
  2. Step 2: Convert to fraction form
    1,484.88/2,223.86 = 935.44/x
  3. Step 3: Cross multiply
    1,484.88x = 2,223.86 × 935.44
  4. Step 4: Simplify right side
    1,484.88x = 2,080,287.60
  5. Step 5: Solve for x
    x = 2,080,287.60/1,484.88
  6. Step 6: Final answer
    x = 1,400.98

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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.