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Finding the Fourth Proportional to 24,978.08, 34,467.92 and 13,800.80

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Solution

The fourth proportional to 24,978.08, 34,467.92 and 13,800.80 is: 19,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,978.08 : 34,467.92 = 13,800.80 : x
  2. Step 2: Convert to fraction form
    24,978.08/34,467.92 = 13,800.80/x
  3. Step 3: Cross multiply
    24,978.08x = 34,467.92 × 13,800.80
  4. Step 4: Simplify right side
    24,978.08x = 475,684,870.34
  5. Step 5: Solve for x
    x = 475,684,870.34/24,978.08
  6. Step 6: Final answer
    x = 19,044.09

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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.