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Finding the Fourth Proportional to 26,168.51, 36,111.51 and 14,231.84

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Solution

The fourth proportional to 26,168.51, 36,111.51 and 14,231.84 is: 19,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,168.51 : 36,111.51 = 14,231.84 : x
  2. Step 2: Convert to fraction form
    26,168.51/36,111.51 = 14,231.84/x
  3. Step 3: Cross multiply
    26,168.51x = 36,111.51 × 14,231.84
  4. Step 4: Simplify right side
    26,168.51x = 513,933,051.92
  5. Step 5: Solve for x
    x = 513,933,051.92/26,168.51
  6. Step 6: Final answer
    x = 19,639.37

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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.