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Finding the Fourth Proportional to 26,670, 36,804.60 and 14,894

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Solution

The fourth proportional to 26,670, 36,804.60 and 14,894 is: 20,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670 : 36,804.60 = 14,894 : x
  2. Step 2: Convert to fraction form
    26,670/36,804.60 = 14,894/x
  3. Step 3: Cross multiply
    26,670x = 36,804.60 × 14,894
  4. Step 4: Simplify right side
    26,670x = 548,167,712.40
  5. Step 5: Solve for x
    x = 548,167,712.40/26,670
  6. Step 6: Final answer
    x = 20,553.72

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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.