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Finding the Fourth Proportional to 26,995.70, 37,269.78 and 18,058.16

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Solution

The fourth proportional to 26,995.70, 37,269.78 and 18,058.16 is: 24,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,995.70 : 37,269.78 = 18,058.16 : x
  2. Step 2: Convert to fraction form
    26,995.70/37,269.78 = 18,058.16/x
  3. Step 3: Cross multiply
    26,995.70x = 37,269.78 × 18,058.16
  4. Step 4: Simplify right side
    26,995.70x = 673,023,650.40
  5. Step 5: Solve for x
    x = 673,023,650.40/26,995.70
  6. Step 6: Final answer
    x = 24,930.77

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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.