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Finding the Fourth Proportional to 26,674, 36,810.12 and 15,496.72

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Solution

The fourth proportional to 26,674, 36,810.12 and 15,496.72 is: 21,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,674 : 36,810.12 = 15,496.72 : x
  2. Step 2: Convert to fraction form
    26,674/36,810.12 = 15,496.72/x
  3. Step 3: Cross multiply
    26,674x = 36,810.12 × 15,496.72
  4. Step 4: Simplify right side
    26,674x = 570,436,122.81
  5. Step 5: Solve for x
    x = 570,436,122.81/26,674
  6. Step 6: Final answer
    x = 21,385.47

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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.