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Finding the Fourth Proportional to 15,846.70, 23,770.05 and 15,616.30

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Solution

The fourth proportional to 15,846.70, 23,770.05 and 15,616.30 is: 23,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846.70 : 23,770.05 = 15,616.30 : x
  2. Step 2: Convert to fraction form
    15,846.70/23,770.05 = 15,616.30/x
  3. Step 3: Cross multiply
    15,846.70x = 23,770.05 × 15,616.30
  4. Step 4: Simplify right side
    15,846.70x = 371,200,231.82
  5. Step 5: Solve for x
    x = 371,200,231.82/15,846.70
  6. Step 6: Final answer
    x = 23,424.45

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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.