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Finding the Fourth Proportional to 15,676.70, 23,515.11 and 5,295.74

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Solution

The fourth proportional to 15,676.70, 23,515.11 and 5,295.74 is: 7,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.70 : 23,515.11 = 5,295.74 : x
  2. Step 2: Convert to fraction form
    15,676.70/23,515.11 = 5,295.74/x
  3. Step 3: Cross multiply
    15,676.70x = 23,515.11 × 5,295.74
  4. Step 4: Simplify right side
    15,676.70x = 124,529,791.06
  5. Step 5: Solve for x
    x = 124,529,791.06/15,676.70
  6. Step 6: Final answer
    x = 7,943.63

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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.