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Finding the Fourth Proportional to 4,618.48, 6,373.48 and 2,629.03

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Solution

The fourth proportional to 4,618.48, 6,373.48 and 2,629.03 is: 3,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.48 : 6,373.48 = 2,629.03 : x
  2. Step 2: Convert to fraction form
    4,618.48/6,373.48 = 2,629.03/x
  3. Step 3: Cross multiply
    4,618.48x = 6,373.48 × 2,629.03
  4. Step 4: Simplify right side
    4,618.48x = 16,756,070.12
  5. Step 5: Solve for x
    x = 16,756,070.12/4,618.48
  6. Step 6: Final answer
    x = 3,628.05

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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.