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Finding the Fourth Proportional to 16,450.80, 24,678.24 and 5,358.61

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Solution

The fourth proportional to 16,450.80, 24,678.24 and 5,358.61 is: 8,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450.80 : 24,678.24 = 5,358.61 : x
  2. Step 2: Convert to fraction form
    16,450.80/24,678.24 = 5,358.61/x
  3. Step 3: Cross multiply
    16,450.80x = 24,678.24 × 5,358.61
  4. Step 4: Simplify right side
    16,450.80x = 132,240,980.80
  5. Step 5: Solve for x
    x = 132,240,980.80/16,450.80
  6. Step 6: Final answer
    x = 8,038.58

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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.