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Finding the Fourth Proportional to 5,063.82, 6,990.20 and 3,075.01

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Solution

The fourth proportional to 5,063.82, 6,990.20 and 3,075.01 is: 4,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.82 : 6,990.20 = 3,075.01 : x
  2. Step 2: Convert to fraction form
    5,063.82/6,990.20 = 3,075.01/x
  3. Step 3: Cross multiply
    5,063.82x = 6,990.20 × 3,075.01
  4. Step 4: Simplify right side
    5,063.82x = 21,494,952.90
  5. Step 5: Solve for x
    x = 21,494,952.90/5,063.82
  6. Step 6: Final answer
    x = 4,244.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.