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Finding the Fourth Proportional to 2,990.09, 4,482.90 and 2,063.00

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Solution

The fourth proportional to 2,990.09, 4,482.90 and 2,063.00 is: 3,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.09 : 4,482.90 = 2,063.00 : x
  2. Step 2: Convert to fraction form
    2,990.09/4,482.90 = 2,063.00/x
  3. Step 3: Cross multiply
    2,990.09x = 4,482.90 × 2,063.00
  4. Step 4: Simplify right side
    2,990.09x = 9,248,201.18
  5. Step 5: Solve for x
    x = 9,248,201.18/2,990.09
  6. Step 6: Final answer
    x = 3,092.96

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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.