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Finding the Fourth Proportional to 9,075.84, 13,610.88 and 3,230.88

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Solution

The fourth proportional to 9,075.84, 13,610.88 and 3,230.88 is: 4,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.84 : 13,610.88 = 3,230.88 : x
  2. Step 2: Convert to fraction form
    9,075.84/13,610.88 = 3,230.88/x
  3. Step 3: Cross multiply
    9,075.84x = 13,610.88 × 3,230.88
  4. Step 4: Simplify right side
    9,075.84x = 43,975,119.97
  5. Step 5: Solve for x
    x = 43,975,119.97/9,075.84
  6. Step 6: Final answer
    x = 4,845.29

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1.5x scale

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.