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Finding the Fourth Proportional to 2,998.97, 4,499.06 and 1,051.32

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Solution

The fourth proportional to 2,998.97, 4,499.06 and 1,051.32 is: 1,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.97 : 4,499.06 = 1,051.32 : x
  2. Step 2: Convert to fraction form
    2,998.97/4,499.06 = 1,051.32/x
  3. Step 3: Cross multiply
    2,998.97x = 4,499.06 × 1,051.32
  4. Step 4: Simplify right side
    2,998.97x = 4,729,946.50
  5. Step 5: Solve for x
    x = 4,729,946.50/2,998.97
  6. Step 6: Final answer
    x = 1,577.19

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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.