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Finding the Fourth Proportional to 3,258.48, 4,887.99 and 1,503.48

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Solution

The fourth proportional to 3,258.48, 4,887.99 and 1,503.48 is: 2,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.48 : 4,887.99 = 1,503.48 : x
  2. Step 2: Convert to fraction form
    3,258.48/4,887.99 = 1,503.48/x
  3. Step 3: Cross multiply
    3,258.48x = 4,887.99 × 1,503.48
  4. Step 4: Simplify right side
    3,258.48x = 7,348,995.21
  5. Step 5: Solve for x
    x = 7,348,995.21/3,258.48
  6. Step 6: Final answer
    x = 2,255.34

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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.