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Finding the Fourth Proportional to 34,001.70, 46,921.41 and 18,893.97

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Solution

The fourth proportional to 34,001.70, 46,921.41 and 18,893.97 is: 26,073.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,001.70 : 46,921.41 = 18,893.97 : x
  2. Step 2: Convert to fraction form
    34,001.70/46,921.41 = 18,893.97/x
  3. Step 3: Cross multiply
    34,001.70x = 46,921.41 × 18,893.97
  4. Step 4: Simplify right side
    34,001.70x = 886,531,712.90
  5. Step 5: Solve for x
    x = 886,531,712.90/34,001.70
  6. Step 6: Final answer
    x = 26,073.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.