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Finding the Fourth Proportional to 2,048.34, 3,072.54 and 587.48

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Solution

The fourth proportional to 2,048.34, 3,072.54 and 587.48 is: 881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.34 : 3,072.54 = 587.48 : x
  2. Step 2: Convert to fraction form
    2,048.34/3,072.54 = 587.48/x
  3. Step 3: Cross multiply
    2,048.34x = 3,072.54 × 587.48
  4. Step 4: Simplify right side
    2,048.34x = 1,805,055.80
  5. Step 5: Solve for x
    x = 1,805,055.80/2,048.34
  6. Step 6: Final answer
    x = 881.23

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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.