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Finding the Fourth Proportional to 2,990.01, 4,482.81 and 2,014.05

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Solution

The fourth proportional to 2,990.01, 4,482.81 and 2,014.05 is: 3,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.01 : 4,482.81 = 2,014.05 : x
  2. Step 2: Convert to fraction form
    2,990.01/4,482.81 = 2,014.05/x
  3. Step 3: Cross multiply
    2,990.01x = 4,482.81 × 2,014.05
  4. Step 4: Simplify right side
    2,990.01x = 9,028,603.48
  5. Step 5: Solve for x
    x = 9,028,603.48/2,990.01
  6. Step 6: Final answer
    x = 3,019.59

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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.