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Finding the Fourth Proportional to 16,619.99, 24,930.18 and 4,774.14

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Solution

The fourth proportional to 16,619.99, 24,930.18 and 4,774.14 is: 7,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,619.99 : 24,930.18 = 4,774.14 : x
  2. Step 2: Convert to fraction form
    16,619.99/24,930.18 = 4,774.14/x
  3. Step 3: Cross multiply
    16,619.99x = 24,930.18 × 4,774.14
  4. Step 4: Simplify right side
    16,619.99x = 119,020,169.55
  5. Step 5: Solve for x
    x = 119,020,169.55/16,619.99
  6. Step 6: Final answer
    x = 7,161.27

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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.