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Finding the Fourth Proportional to 2,995.80, 4,494.23 and 1,021.32

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Solution

The fourth proportional to 2,995.80, 4,494.23 and 1,021.32 is: 1,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.80 : 4,494.23 = 1,021.32 : x
  2. Step 2: Convert to fraction form
    2,995.80/4,494.23 = 1,021.32/x
  3. Step 3: Cross multiply
    2,995.80x = 4,494.23 × 1,021.32
  4. Step 4: Simplify right side
    2,995.80x = 4,590,030.19
  5. Step 5: Solve for x
    x = 4,590,030.19/2,995.80
  6. Step 6: Final answer
    x = 1,532.16

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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.