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Finding the Fourth Proportional to 7,008.99, 9,672.39 and 4,025.03

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Solution

The fourth proportional to 7,008.99, 9,672.39 and 4,025.03 is: 5,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.99 : 9,672.39 = 4,025.03 : x
  2. Step 2: Convert to fraction form
    7,008.99/9,672.39 = 4,025.03/x
  3. Step 3: Cross multiply
    7,008.99x = 9,672.39 × 4,025.03
  4. Step 4: Simplify right side
    7,008.99x = 38,931,611.56
  5. Step 5: Solve for x
    x = 38,931,611.56/7,008.99
  6. Step 6: Final answer
    x = 5,554.53

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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.