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Finding the Fourth Proportional to 7,075.58, 10,614.74 and 2,692.70

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Solution

The fourth proportional to 7,075.58, 10,614.74 and 2,692.70 is: 4,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.58 : 10,614.74 = 2,692.70 : x
  2. Step 2: Convert to fraction form
    7,075.58/10,614.74 = 2,692.70/x
  3. Step 3: Cross multiply
    7,075.58x = 10,614.74 × 2,692.70
  4. Step 4: Simplify right side
    7,075.58x = 28,582,310.40
  5. Step 5: Solve for x
    x = 28,582,310.40/7,075.58
  6. Step 6: Final answer
    x = 4,039.57

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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.