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Finding the Fourth Proportional to 27,075.51, 40,619.88 and 9,306.41

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Solution

The fourth proportional to 27,075.51, 40,619.88 and 9,306.41 is: 13,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,075.51 : 40,619.88 = 9,306.41 : x
  2. Step 2: Convert to fraction form
    27,075.51/40,619.88 = 9,306.41/x
  3. Step 3: Cross multiply
    27,075.51x = 40,619.88 × 9,306.41
  4. Step 4: Simplify right side
    27,075.51x = 378,025,054.33
  5. Step 5: Solve for x
    x = 378,025,054.33/27,075.51
  6. Step 6: Final answer
    x = 13,961.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.