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Finding the Fourth Proportional to 41,424.76, 62,130.64 and 13,722.76

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Solution

The fourth proportional to 41,424.76, 62,130.64 and 13,722.76 is: 20,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,424.76 : 62,130.64 = 13,722.76 : x
  2. Step 2: Convert to fraction form
    41,424.76/62,130.64 = 13,722.76/x
  3. Step 3: Cross multiply
    41,424.76x = 62,130.64 × 13,722.76
  4. Step 4: Simplify right side
    41,424.76x = 852,603,861.37
  5. Step 5: Solve for x
    x = 852,603,861.37/41,424.76
  6. Step 6: Final answer
    x = 20,581.99

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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.