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Finding the Fourth Proportional to 2,048.19, 3,072.28 and 587.34

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Solution

The fourth proportional to 2,048.19, 3,072.28 and 587.34 is: 881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.19 : 3,072.28 = 587.34 : x
  2. Step 2: Convert to fraction form
    2,048.19/3,072.28 = 587.34/x
  3. Step 3: Cross multiply
    2,048.19x = 3,072.28 × 587.34
  4. Step 4: Simplify right side
    2,048.19x = 1,804,471.47
  5. Step 5: Solve for x
    x = 1,804,471.47/2,048.19
  6. Step 6: Final answer
    x = 881.01

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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.