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Finding the Fourth Proportional to 1,653.49, 2,281.94 and 1,092.99

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Solution

The fourth proportional to 1,653.49, 2,281.94 and 1,092.99 is: 1,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.49 : 2,281.94 = 1,092.99 : x
  2. Step 2: Convert to fraction form
    1,653.49/2,281.94 = 1,092.99/x
  3. Step 3: Cross multiply
    1,653.49x = 2,281.94 × 1,092.99
  4. Step 4: Simplify right side
    1,653.49x = 2,494,132.14
  5. Step 5: Solve for x
    x = 2,494,132.14/1,653.49
  6. Step 6: Final answer
    x = 1,508.40

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Why These Related Problems?

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