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Finding the Fourth Proportional to 3,503.08, 5,254.76 and 906.02

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Solution

The fourth proportional to 3,503.08, 5,254.76 and 906.02 is: 1,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.08 : 5,254.76 = 906.02 : x
  2. Step 2: Convert to fraction form
    3,503.08/5,254.76 = 906.02/x
  3. Step 3: Cross multiply
    3,503.08x = 5,254.76 × 906.02
  4. Step 4: Simplify right side
    3,503.08x = 4,760,917.66
  5. Step 5: Solve for x
    x = 4,760,917.66/3,503.08
  6. Step 6: Final answer
    x = 1,359.07

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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.