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Finding the Fourth Proportional to 2,048.61, 3,072.93 and 587.73

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Solution

The fourth proportional to 2,048.61, 3,072.93 and 587.73 is: 881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.61 : 3,072.93 = 587.73 : x
  2. Step 2: Convert to fraction form
    2,048.61/3,072.93 = 587.73/x
  3. Step 3: Cross multiply
    2,048.61x = 3,072.93 × 587.73
  4. Step 4: Simplify right side
    2,048.61x = 1,806,053.15
  5. Step 5: Solve for x
    x = 1,806,053.15/2,048.61
  6. Step 6: Final answer
    x = 881.60

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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.