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Finding the Fourth Proportional to 18,927.68, 26,119.86 and 10,544

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Solution

The fourth proportional to 18,927.68, 26,119.86 and 10,544 is: 14,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.68 : 26,119.86 = 10,544 : x
  2. Step 2: Convert to fraction form
    18,927.68/26,119.86 = 10,544/x
  3. Step 3: Cross multiply
    18,927.68x = 26,119.86 × 10,544
  4. Step 4: Simplify right side
    18,927.68x = 275,407,803.84
  5. Step 5: Solve for x
    x = 275,407,803.84/18,927.68
  6. Step 6: Final answer
    x = 14,550.53

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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.