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Finding the Fourth Proportional to 26,643.33, 36,769.02 and 15,316.49

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Solution

The fourth proportional to 26,643.33, 36,769.02 and 15,316.49 is: 21,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.33 : 36,769.02 = 15,316.49 : x
  2. Step 2: Convert to fraction form
    26,643.33/36,769.02 = 15,316.49/x
  3. Step 3: Cross multiply
    26,643.33x = 36,769.02 × 15,316.49
  4. Step 4: Simplify right side
    26,643.33x = 563,172,327.14
  5. Step 5: Solve for x
    x = 563,172,327.14/26,643.33
  6. Step 6: Final answer
    x = 21,137.46

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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.