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Finding the Fourth Proportional to 15,676.88, 23,515.65 and 7,352.30

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Solution

The fourth proportional to 15,676.88, 23,515.65 and 7,352.30 is: 11,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.88 : 23,515.65 = 7,352.30 : x
  2. Step 2: Convert to fraction form
    15,676.88/23,515.65 = 7,352.30/x
  3. Step 3: Cross multiply
    15,676.88x = 23,515.65 × 7,352.30
  4. Step 4: Simplify right side
    15,676.88x = 172,894,172.28
  5. Step 5: Solve for x
    x = 172,894,172.28/15,676.88
  6. Step 6: Final answer
    x = 11,028.61

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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.