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Finding the Fourth Proportional to 4,699.37, 7,042.93 and 2,619.29

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Solution

The fourth proportional to 4,699.37, 7,042.93 and 2,619.29 is: 3,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.37 : 7,042.93 = 2,619.29 : x
  2. Step 2: Convert to fraction form
    4,699.37/7,042.93 = 2,619.29/x
  3. Step 3: Cross multiply
    4,699.37x = 7,042.93 × 2,619.29
  4. Step 4: Simplify right side
    4,699.37x = 18,447,476.12
  5. Step 5: Solve for x
    x = 18,447,476.12/4,699.37
  6. Step 6: Final answer
    x = 3,925.52

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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.