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Finding the Fourth Proportional to 26,672.88, 36,809.34 and 14,736.99

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Solution

The fourth proportional to 26,672.88, 36,809.34 and 14,736.99 is: 20,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.88 : 36,809.34 = 14,736.99 : x
  2. Step 2: Convert to fraction form
    26,672.88/36,809.34 = 14,736.99/x
  3. Step 3: Cross multiply
    26,672.88x = 36,809.34 × 14,736.99
  4. Step 4: Simplify right side
    26,672.88x = 542,458,875.49
  5. Step 5: Solve for x
    x = 542,458,875.49/26,672.88
  6. Step 6: Final answer
    x = 20,337.47

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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.