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Finding the Fourth Proportional to 2,529.69, 3,490.77 and 1,410.67

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Solution

The fourth proportional to 2,529.69, 3,490.77 and 1,410.67 is: 1,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.69 : 3,490.77 = 1,410.67 : x
  2. Step 2: Convert to fraction form
    2,529.69/3,490.77 = 1,410.67/x
  3. Step 3: Cross multiply
    2,529.69x = 3,490.77 × 1,410.67
  4. Step 4: Simplify right side
    2,529.69x = 4,924,324.52
  5. Step 5: Solve for x
    x = 4,924,324.52/2,529.69
  6. Step 6: Final answer
    x = 1,946.61

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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.