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Finding the Fourth Proportional to 7,080.99, 10,609.20 and 4,301.82

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Solution

The fourth proportional to 7,080.99, 10,609.20 and 4,301.82 is: 6,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.99 : 10,609.20 = 4,301.82 : x
  2. Step 2: Convert to fraction form
    7,080.99/10,609.20 = 4,301.82/x
  3. Step 3: Cross multiply
    7,080.99x = 10,609.20 × 4,301.82
  4. Step 4: Simplify right side
    7,080.99x = 45,638,868.74
  5. Step 5: Solve for x
    x = 45,638,868.74/7,080.99
  6. Step 6: Final answer
    x = 6,445.27

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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.