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Finding the Fourth Proportional to 45,069, 62,173.62 and 29,158.44

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Solution

The fourth proportional to 45,069, 62,173.62 and 29,158.44 is: 40,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,069 : 62,173.62 = 29,158.44 : x
  2. Step 2: Convert to fraction form
    45,069/62,173.62 = 29,158.44/x
  3. Step 3: Cross multiply
    45,069x = 62,173.62 × 29,158.44
  4. Step 4: Simplify right side
    45,069x = 1,812,885,768.35
  5. Step 5: Solve for x
    x = 1,812,885,768.35/45,069
  6. Step 6: Final answer
    x = 40,224.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.