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Finding the Fourth Proportional to 7,611.99, 10,505.02 and 4,255.04

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Solution

The fourth proportional to 7,611.99, 10,505.02 and 4,255.04 is: 5,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.99 : 10,505.02 = 4,255.04 : x
  2. Step 2: Convert to fraction form
    7,611.99/10,505.02 = 4,255.04/x
  3. Step 3: Cross multiply
    7,611.99x = 10,505.02 × 4,255.04
  4. Step 4: Simplify right side
    7,611.99x = 44,699,280.30
  5. Step 5: Solve for x
    x = 44,699,280.30/7,611.99
  6. Step 6: Final answer
    x = 5,872.22

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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.