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Finding the Fourth Proportional to 4,699.89, 7,051.68 and 1,927.89

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Solution

The fourth proportional to 4,699.89, 7,051.68 and 1,927.89 is: 2,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.89 : 7,051.68 = 1,927.89 : x
  2. Step 2: Convert to fraction form
    4,699.89/7,051.68 = 1,927.89/x
  3. Step 3: Cross multiply
    4,699.89x = 7,051.68 × 1,927.89
  4. Step 4: Simplify right side
    4,699.89x = 13,594,863.36
  5. Step 5: Solve for x
    x = 13,594,863.36/4,699.89
  6. Step 6: Final answer
    x = 2,892.59

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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.