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Finding the Fourth Proportional to 3,368.74, 5,048.33 and 1,904.82

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Solution

The fourth proportional to 3,368.74, 5,048.33 and 1,904.82 is: 2,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.74 : 5,048.33 = 1,904.82 : x
  2. Step 2: Convert to fraction form
    3,368.74/5,048.33 = 1,904.82/x
  3. Step 3: Cross multiply
    3,368.74x = 5,048.33 × 1,904.82
  4. Step 4: Simplify right side
    3,368.74x = 9,616,131.50
  5. Step 5: Solve for x
    x = 9,616,131.50/3,368.74
  6. Step 6: Final answer
    x = 2,854.52

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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.