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Finding the Fourth Proportional to 16,448.25, 24,678.54 and 9,879.15

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Solution

The fourth proportional to 16,448.25, 24,678.54 and 9,879.15 is: 14,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,448.25 : 24,678.54 = 9,879.15 : x
  2. Step 2: Convert to fraction form
    16,448.25/24,678.54 = 9,879.15/x
  3. Step 3: Cross multiply
    16,448.25x = 24,678.54 × 9,879.15
  4. Step 4: Simplify right side
    16,448.25x = 243,802,998.44
  5. Step 5: Solve for x
    x = 243,802,998.44/16,448.25
  6. Step 6: Final answer
    x = 14,822.43

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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.