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Finding the Fourth Proportional to 2,999.01, 4,499.39 and 1,539.18

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Solution

The fourth proportional to 2,999.01, 4,499.39 and 1,539.18 is: 2,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.01 : 4,499.39 = 1,539.18 : x
  2. Step 2: Convert to fraction form
    2,999.01/4,499.39 = 1,539.18/x
  3. Step 3: Cross multiply
    2,999.01x = 4,499.39 × 1,539.18
  4. Step 4: Simplify right side
    2,999.01x = 6,925,371.10
  5. Step 5: Solve for x
    x = 6,925,371.10/2,999.01
  6. Step 6: Final answer
    x = 2,309.22

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1.5x scale

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.