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Finding the Fourth Proportional to 16,477.57, 24,720.57 and 4,790.79

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Solution

The fourth proportional to 16,477.57, 24,720.57 and 4,790.79 is: 7,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.57 : 24,720.57 = 4,790.79 : x
  2. Step 2: Convert to fraction form
    16,477.57/24,720.57 = 4,790.79/x
  3. Step 3: Cross multiply
    16,477.57x = 24,720.57 × 4,790.79
  4. Step 4: Simplify right side
    16,477.57x = 118,431,059.55
  5. Step 5: Solve for x
    x = 118,431,059.55/16,477.57
  6. Step 6: Final answer
    x = 7,187.41

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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.