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Finding the Fourth Proportional to 9,075.84, 13,524.74 and 8,999.29

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Solution

The fourth proportional to 9,075.84, 13,524.74 and 8,999.29 is: 13,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.84 : 13,524.74 = 8,999.29 : x
  2. Step 2: Convert to fraction form
    9,075.84/13,524.74 = 8,999.29/x
  3. Step 3: Cross multiply
    9,075.84x = 13,524.74 × 8,999.29
  4. Step 4: Simplify right side
    9,075.84x = 121,713,057.43
  5. Step 5: Solve for x
    x = 121,713,057.43/9,075.84
  6. Step 6: Final answer
    x = 13,410.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.