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Finding the Fourth Proportional to 26,673, 36,811.98 and 15,495

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Solution

The fourth proportional to 26,673, 36,811.98 and 15,495 is: 21,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,673 : 36,811.98 = 15,495 : x
  2. Step 2: Convert to fraction form
    26,673/36,811.98 = 15,495/x
  3. Step 3: Cross multiply
    26,673x = 36,811.98 × 15,495
  4. Step 4: Simplify right side
    26,673x = 570,401,630.10
  5. Step 5: Solve for x
    x = 570,401,630.10/26,673
  6. Step 6: Final answer
    x = 21,384.98

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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.