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Finding the Fourth Proportional to 16,430.99, 24,650.12 and 4,745.12

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Solution

The fourth proportional to 16,430.99, 24,650.12 and 4,745.12 is: 7,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,430.99 : 24,650.12 = 4,745.12 : x
  2. Step 2: Convert to fraction form
    16,430.99/24,650.12 = 4,745.12/x
  3. Step 3: Cross multiply
    16,430.99x = 24,650.12 × 4,745.12
  4. Step 4: Simplify right side
    16,430.99x = 116,967,666.03
  5. Step 5: Solve for x
    x = 116,967,666.03/16,430.99
  6. Step 6: Final answer
    x = 7,118.73

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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.