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Finding the Fourth Proportional to 4,888.06, 7,341.94 and 2,917.54

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Solution

The fourth proportional to 4,888.06, 7,341.94 and 2,917.54 is: 4,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.06 : 7,341.94 = 2,917.54 : x
  2. Step 2: Convert to fraction form
    4,888.06/7,341.94 = 2,917.54/x
  3. Step 3: Cross multiply
    4,888.06x = 7,341.94 × 2,917.54
  4. Step 4: Simplify right side
    4,888.06x = 21,420,403.63
  5. Step 5: Solve for x
    x = 21,420,403.63/4,888.06
  6. Step 6: Final answer
    x = 4,382.19

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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.