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Finding the Fourth Proportional to 1,598.88, 2,398.60 and 733.28

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Solution

The fourth proportional to 1,598.88, 2,398.60 and 733.28 is: 1,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.88 : 2,398.60 = 733.28 : x
  2. Step 2: Convert to fraction form
    1,598.88/2,398.60 = 733.28/x
  3. Step 3: Cross multiply
    1,598.88x = 2,398.60 × 733.28
  4. Step 4: Simplify right side
    1,598.88x = 1,758,845.41
  5. Step 5: Solve for x
    x = 1,758,845.41/1,598.88
  6. Step 6: Final answer
    x = 1,100.05

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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.