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Finding the Fourth Proportional to 6,759.99, 10,139.99 and 3,061.53

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Solution

The fourth proportional to 6,759.99, 10,139.99 and 3,061.53 is: 4,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.99 : 10,139.99 = 3,061.53 : x
  2. Step 2: Convert to fraction form
    6,759.99/10,139.99 = 3,061.53/x
  3. Step 3: Cross multiply
    6,759.99x = 10,139.99 × 3,061.53
  4. Step 4: Simplify right side
    6,759.99x = 31,043,868.28
  5. Step 5: Solve for x
    x = 31,043,868.28/6,759.99
  6. Step 6: Final answer
    x = 4,592.30

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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.