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Finding the Fourth Proportional to 1,927.69, 2,659.01 and 1,423.03

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Solution

The fourth proportional to 1,927.69, 2,659.01 and 1,423.03 is: 1,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.69 : 2,659.01 = 1,423.03 : x
  2. Step 2: Convert to fraction form
    1,927.69/2,659.01 = 1,423.03/x
  3. Step 3: Cross multiply
    1,927.69x = 2,659.01 × 1,423.03
  4. Step 4: Simplify right side
    1,927.69x = 3,783,842.92
  5. Step 5: Solve for x
    x = 3,783,842.92/1,927.69
  6. Step 6: Final answer
    x = 1,962.89

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