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Finding the Fourth Proportional to 1,661.88, 2,292.99 and 1,094.66

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Solution

The fourth proportional to 1,661.88, 2,292.99 and 1,094.66 is: 1,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.88 : 2,292.99 = 1,094.66 : x
  2. Step 2: Convert to fraction form
    1,661.88/2,292.99 = 1,094.66/x
  3. Step 3: Cross multiply
    1,661.88x = 2,292.99 × 1,094.66
  4. Step 4: Simplify right side
    1,661.88x = 2,510,032.97
  5. Step 5: Solve for x
    x = 2,510,032.97/1,661.88
  6. Step 6: Final answer
    x = 1,510.36

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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.