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Finding the Fourth Proportional to 1,784.22, 2,673 and 1,051.62

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Solution

The fourth proportional to 1,784.22, 2,673 and 1,051.62 is: 1,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.22 : 2,673 = 1,051.62 : x
  2. Step 2: Convert to fraction form
    1,784.22/2,673 = 1,051.62/x
  3. Step 3: Cross multiply
    1,784.22x = 2,673 × 1,051.62
  4. Step 4: Simplify right side
    1,784.22x = 2,810,980.26
  5. Step 5: Solve for x
    x = 2,810,980.26/1,784.22
  6. Step 6: Final answer
    x = 1,575.47

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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.