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Finding the Fourth Proportional to 8,453.54, 12,675.51 and 7,075.46

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Solution

The fourth proportional to 8,453.54, 12,675.51 and 7,075.46 is: 10,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.54 : 12,675.51 = 7,075.46 : x
  2. Step 2: Convert to fraction form
    8,453.54/12,675.51 = 7,075.46/x
  3. Step 3: Cross multiply
    8,453.54x = 12,675.51 × 7,075.46
  4. Step 4: Simplify right side
    8,453.54x = 89,685,063.98
  5. Step 5: Solve for x
    x = 89,685,063.98/8,453.54
  6. Step 6: Final answer
    x = 10,609.17

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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.