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Finding the Fourth Proportional to 2,556.89, 3,529.10 and 1,495.15

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Solution

The fourth proportional to 2,556.89, 3,529.10 and 1,495.15 is: 2,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.89 : 3,529.10 = 1,495.15 : x
  2. Step 2: Convert to fraction form
    2,556.89/3,529.10 = 1,495.15/x
  3. Step 3: Cross multiply
    2,556.89x = 3,529.10 × 1,495.15
  4. Step 4: Simplify right side
    2,556.89x = 5,276,526.25
  5. Step 5: Solve for x
    x = 5,276,526.25/2,556.89
  6. Step 6: Final answer
    x = 2,063.65

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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.