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Finding the Fourth Proportional to 26,551, 36,642.82 and 14,616.76

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Solution

The fourth proportional to 26,551, 36,642.82 and 14,616.76 is: 20,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,551 : 36,642.82 = 14,616.76 : x
  2. Step 2: Convert to fraction form
    26,551/36,642.82 = 14,616.76/x
  3. Step 3: Cross multiply
    26,551x = 36,642.82 × 14,616.76
  4. Step 4: Simplify right side
    26,551x = 535,599,305.66
  5. Step 5: Solve for x
    x = 535,599,305.66/26,551
  6. Step 6: Final answer
    x = 20,172.47

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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.