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Finding the Fourth Proportional to 16,518.56, 24,775.02 and 5,424.96

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Solution

The fourth proportional to 16,518.56, 24,775.02 and 5,424.96 is: 8,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.56 : 24,775.02 = 5,424.96 : x
  2. Step 2: Convert to fraction form
    16,518.56/24,775.02 = 5,424.96/x
  3. Step 3: Cross multiply
    16,518.56x = 24,775.02 × 5,424.96
  4. Step 4: Simplify right side
    16,518.56x = 134,403,492.50
  5. Step 5: Solve for x
    x = 134,403,492.50/16,518.56
  6. Step 6: Final answer
    x = 8,136.51

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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.