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Finding the Fourth Proportional to 2,673.22, 4,009.78 and 1,503.22

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Solution

The fourth proportional to 2,673.22, 4,009.78 and 1,503.22 is: 2,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.22 : 4,009.78 = 1,503.22 : x
  2. Step 2: Convert to fraction form
    2,673.22/4,009.78 = 1,503.22/x
  3. Step 3: Cross multiply
    2,673.22x = 4,009.78 × 1,503.22
  4. Step 4: Simplify right side
    2,673.22x = 6,027,581.49
  5. Step 5: Solve for x
    x = 6,027,581.49/2,673.22
  6. Step 6: Final answer
    x = 2,254.80

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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.