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Finding the Fourth Proportional to 12,075.62, 18,106.94 and 5,495.99

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Solution

The fourth proportional to 12,075.62, 18,106.94 and 5,495.99 is: 8,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.62 : 18,106.94 = 5,495.99 : x
  2. Step 2: Convert to fraction form
    12,075.62/18,106.94 = 5,495.99/x
  3. Step 3: Cross multiply
    12,075.62x = 18,106.94 × 5,495.99
  4. Step 4: Simplify right side
    12,075.62x = 99,515,484.38
  5. Step 5: Solve for x
    x = 99,515,484.38/12,075.62
  6. Step 6: Final answer
    x = 8,241.03

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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.