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Finding the Fourth Proportional to 26,152, 39,236.64 and 10,561.12

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Solution

The fourth proportional to 26,152, 39,236.64 and 10,561.12 is: 15,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,152 : 39,236.64 = 10,561.12 : x
  2. Step 2: Convert to fraction form
    26,152/39,236.64 = 10,561.12/x
  3. Step 3: Cross multiply
    26,152x = 39,236.64 × 10,561.12
  4. Step 4: Simplify right side
    26,152x = 414,382,863.44
  5. Step 5: Solve for x
    x = 414,382,863.44/26,152
  6. Step 6: Final answer
    x = 15,845.17

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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.