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Finding the Fourth Proportional to 26,670, 39,997.44 and 11,068.32

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Solution

The fourth proportional to 26,670, 39,997.44 and 11,068.32 is: 16,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670 : 39,997.44 = 11,068.32 : x
  2. Step 2: Convert to fraction form
    26,670/39,997.44 = 11,068.32/x
  3. Step 3: Cross multiply
    26,670x = 39,997.44 × 11,068.32
  4. Step 4: Simplify right side
    26,670x = 442,704,465.10
  5. Step 5: Solve for x
    x = 442,704,465.10/26,670
  6. Step 6: Final answer
    x = 16,599.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.