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Finding the Fourth Proportional to 29,929.92, 41,280.48 and 22,879.68

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Solution

The fourth proportional to 29,929.92, 41,280.48 and 22,879.68 is: 31,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,929.92 : 41,280.48 = 22,879.68 : x
  2. Step 2: Convert to fraction form
    29,929.92/41,280.48 = 22,879.68/x
  3. Step 3: Cross multiply
    29,929.92x = 41,280.48 × 22,879.68
  4. Step 4: Simplify right side
    29,929.92x = 944,484,172.65
  5. Step 5: Solve for x
    x = 944,484,172.65/29,929.92
  6. Step 6: Final answer
    x = 31,556.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.