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Finding the Fourth Proportional to 1,886.58, 2,827.54 and 1,368.36

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Solution

The fourth proportional to 1,886.58, 2,827.54 and 1,368.36 is: 2,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.58 : 2,827.54 = 1,368.36 : x
  2. Step 2: Convert to fraction form
    1,886.58/2,827.54 = 1,368.36/x
  3. Step 3: Cross multiply
    1,886.58x = 2,827.54 × 1,368.36
  4. Step 4: Simplify right side
    1,886.58x = 3,869,092.63
  5. Step 5: Solve for x
    x = 3,869,092.63/1,886.58
  6. Step 6: Final answer
    x = 2,050.85

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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.