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Finding the Fourth Proportional to 2,995.92, 4,133.88 and 1,669.68

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Solution

The fourth proportional to 2,995.92, 4,133.88 and 1,669.68 is: 2,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.92 : 4,133.88 = 1,669.68 : x
  2. Step 2: Convert to fraction form
    2,995.92/4,133.88 = 1,669.68/x
  3. Step 3: Cross multiply
    2,995.92x = 4,133.88 × 1,669.68
  4. Step 4: Simplify right side
    2,995.92x = 6,902,256.76
  5. Step 5: Solve for x
    x = 6,902,256.76/2,995.92
  6. Step 6: Final answer
    x = 2,303.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.