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Finding the Fourth Proportional to 29,576.30, 40,815.92 and 16,148.12

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Solution

The fourth proportional to 29,576.30, 40,815.92 and 16,148.12 is: 22,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,576.30 : 40,815.92 = 16,148.12 : x
  2. Step 2: Convert to fraction form
    29,576.30/40,815.92 = 16,148.12/x
  3. Step 3: Cross multiply
    29,576.30x = 40,815.92 × 16,148.12
  4. Step 4: Simplify right side
    29,576.30x = 659,100,395.37
  5. Step 5: Solve for x
    x = 659,100,395.37/29,576.30
  6. Step 6: Final answer
    x = 22,284.75

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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.