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Finding the Fourth Proportional to 1,888.90, 2,606.04 and 1,092.02

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Solution

The fourth proportional to 1,888.90, 2,606.04 and 1,092.02 is: 1,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.90 : 2,606.04 = 1,092.02 : x
  2. Step 2: Convert to fraction form
    1,888.90/2,606.04 = 1,092.02/x
  3. Step 3: Cross multiply
    1,888.90x = 2,606.04 × 1,092.02
  4. Step 4: Simplify right side
    1,888.90x = 2,845,834.77
  5. Step 5: Solve for x
    x = 2,845,834.77/1,888.90
  6. Step 6: Final answer
    x = 1,506.61

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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.