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Finding the Fourth Proportional to 1,548.61, 2,323.07 and 670.94

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Solution

The fourth proportional to 1,548.61, 2,323.07 and 670.94 is: 1,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.61 : 2,323.07 = 670.94 : x
  2. Step 2: Convert to fraction form
    1,548.61/2,323.07 = 670.94/x
  3. Step 3: Cross multiply
    1,548.61x = 2,323.07 × 670.94
  4. Step 4: Simplify right side
    1,548.61x = 1,558,640.59
  5. Step 5: Solve for x
    x = 1,558,640.59/1,548.61
  6. Step 6: Final answer
    x = 1,006.48

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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.