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Finding the Fourth Proportional to 15,692.49, 23,544.90 and 6,921.27

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Solution

The fourth proportional to 15,692.49, 23,544.90 and 6,921.27 is: 10,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692.49 : 23,544.90 = 6,921.27 : x
  2. Step 2: Convert to fraction form
    15,692.49/23,544.90 = 6,921.27/x
  3. Step 3: Cross multiply
    15,692.49x = 23,544.90 × 6,921.27
  4. Step 4: Simplify right side
    15,692.49x = 162,960,610.02
  5. Step 5: Solve for x
    x = 162,960,610.02/15,692.49
  6. Step 6: Final answer
    x = 10,384.62

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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.