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Finding the Fourth Proportional to 3,573.99, 5,355.54 and 2,271.51

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Solution

The fourth proportional to 3,573.99, 5,355.54 and 2,271.51 is: 3,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.99 : 5,355.54 = 2,271.51 : x
  2. Step 2: Convert to fraction form
    3,573.99/5,355.54 = 2,271.51/x
  3. Step 3: Cross multiply
    3,573.99x = 5,355.54 × 2,271.51
  4. Step 4: Simplify right side
    3,573.99x = 12,165,162.67
  5. Step 5: Solve for x
    x = 12,165,162.67/3,573.99
  6. Step 6: Final answer
    x = 3,403.80

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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.