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Finding the Fourth Proportional to 2,335.34, 3,221.34 and 1,495.74

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Solution

The fourth proportional to 2,335.34, 3,221.34 and 1,495.74 is: 2,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.34 : 3,221.34 = 1,495.74 : x
  2. Step 2: Convert to fraction form
    2,335.34/3,221.34 = 1,495.74/x
  3. Step 3: Cross multiply
    2,335.34x = 3,221.34 × 1,495.74
  4. Step 4: Simplify right side
    2,335.34x = 4,818,287.09
  5. Step 5: Solve for x
    x = 4,818,287.09/2,335.34
  6. Step 6: Final answer
    x = 2,063.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.