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Finding the Fourth Proportional to 6,715.08, 10,075.92 and 3,019.92

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Solution

The fourth proportional to 6,715.08, 10,075.92 and 3,019.92 is: 4,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.08 : 10,075.92 = 3,019.92 : x
  2. Step 2: Convert to fraction form
    6,715.08/10,075.92 = 3,019.92/x
  3. Step 3: Cross multiply
    6,715.08x = 10,075.92 × 3,019.92
  4. Step 4: Simplify right side
    6,715.08x = 30,428,472.33
  5. Step 5: Solve for x
    x = 30,428,472.33/6,715.08
  6. Step 6: Final answer
    x = 4,531.36

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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.