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Finding the Fourth Proportional to 16,409.13, 24,620.58 and 7,051.20

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Solution

The fourth proportional to 16,409.13, 24,620.58 and 7,051.20 is: 10,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,409.13 : 24,620.58 = 7,051.20 : x
  2. Step 2: Convert to fraction form
    16,409.13/24,620.58 = 7,051.20/x
  3. Step 3: Cross multiply
    16,409.13x = 24,620.58 × 7,051.20
  4. Step 4: Simplify right side
    16,409.13x = 173,604,633.70
  5. Step 5: Solve for x
    x = 173,604,633.70/16,409.13
  6. Step 6: Final answer
    x = 10,579.76

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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.