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Finding the Fourth Proportional to 1,498.88, 2,068.43 and 835.79

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Solution

The fourth proportional to 1,498.88, 2,068.43 and 835.79 is: 1,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.88 : 2,068.43 = 835.79 : x
  2. Step 2: Convert to fraction form
    1,498.88/2,068.43 = 835.79/x
  3. Step 3: Cross multiply
    1,498.88x = 2,068.43 × 835.79
  4. Step 4: Simplify right side
    1,498.88x = 1,728,758.59
  5. Step 5: Solve for x
    x = 1,728,758.59/1,498.88
  6. Step 6: Final answer
    x = 1,153.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.