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Finding the Fourth Proportional to 26,732.31, 36,900.31 and 15,554.31

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Solution

The fourth proportional to 26,732.31, 36,900.31 and 15,554.31 is: 21,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,732.31 : 36,900.31 = 15,554.31 : x
  2. Step 2: Convert to fraction form
    26,732.31/36,900.31 = 15,554.31/x
  3. Step 3: Cross multiply
    26,732.31x = 36,900.31 × 15,554.31
  4. Step 4: Simplify right side
    26,732.31x = 573,958,860.84
  5. Step 5: Solve for x
    x = 573,958,860.84/26,732.31
  6. Step 6: Final answer
    x = 21,470.60

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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.