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Finding the Fourth Proportional to 2,999.63, 4,139.48 and 1,673.25

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Solution

The fourth proportional to 2,999.63, 4,139.48 and 1,673.25 is: 2,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.63 : 4,139.48 = 1,673.25 : x
  2. Step 2: Convert to fraction form
    2,999.63/4,139.48 = 1,673.25/x
  3. Step 3: Cross multiply
    2,999.63x = 4,139.48 × 1,673.25
  4. Step 4: Simplify right side
    2,999.63x = 6,926,376.54
  5. Step 5: Solve for x
    x = 6,926,376.54/2,999.63
  6. Step 6: Final answer
    x = 2,309.08

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1.5x scale

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.