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Finding the Fourth Proportional to 2,004.48, 3,006.62 and 705.84

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Solution

The fourth proportional to 2,004.48, 3,006.62 and 705.84 is: 1,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.48 : 3,006.62 = 705.84 : x
  2. Step 2: Convert to fraction form
    2,004.48/3,006.62 = 705.84/x
  3. Step 3: Cross multiply
    2,004.48x = 3,006.62 × 705.84
  4. Step 4: Simplify right side
    2,004.48x = 2,122,192.66
  5. Step 5: Solve for x
    x = 2,122,192.66/2,004.48
  6. Step 6: Final answer
    x = 1,058.72

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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.