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Finding the Fourth Proportional to 15,676.72, 23,513.94 and 7,358.64

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Solution

The fourth proportional to 15,676.72, 23,513.94 and 7,358.64 is: 11,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.72 : 23,513.94 = 7,358.64 : x
  2. Step 2: Convert to fraction form
    15,676.72/23,513.94 = 7,358.64/x
  3. Step 3: Cross multiply
    15,676.72x = 23,513.94 × 7,358.64
  4. Step 4: Simplify right side
    15,676.72x = 173,030,619.44
  5. Step 5: Solve for x
    x = 173,030,619.44/15,676.72
  6. Step 6: Final answer
    x = 11,037.42

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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.