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Finding the Fourth Proportional to 17,075.61, 25,563.60 and 10,481.81

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Solution

The fourth proportional to 17,075.61, 25,563.60 and 10,481.81 is: 15,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,075.61 : 25,563.60 = 10,481.81 : x
  2. Step 2: Convert to fraction form
    17,075.61/25,563.60 = 10,481.81/x
  3. Step 3: Cross multiply
    17,075.61x = 25,563.60 × 10,481.81
  4. Step 4: Simplify right side
    17,075.61x = 267,952,670.30
  5. Step 5: Solve for x
    x = 267,952,670.30/17,075.61
  6. Step 6: Final answer
    x = 15,692.13

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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.