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Finding the Fourth Proportional to 7,299.63, 10,073.10 and 4,113.09

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Solution

The fourth proportional to 7,299.63, 10,073.10 and 4,113.09 is: 5,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.63 : 10,073.10 = 4,113.09 : x
  2. Step 2: Convert to fraction form
    7,299.63/10,073.10 = 4,113.09/x
  3. Step 3: Cross multiply
    7,299.63x = 10,073.10 × 4,113.09
  4. Step 4: Simplify right side
    7,299.63x = 41,431,566.88
  5. Step 5: Solve for x
    x = 41,431,566.88/7,299.63
  6. Step 6: Final answer
    x = 5,675.84

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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.