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Finding the Fourth Proportional to 24,978.75, 34,456.10 and 15,550.35

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Solution

The fourth proportional to 24,978.75, 34,456.10 and 15,550.35 is: 21,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,978.75 : 34,456.10 = 15,550.35 : x
  2. Step 2: Convert to fraction form
    24,978.75/34,456.10 = 15,550.35/x
  3. Step 3: Cross multiply
    24,978.75x = 34,456.10 × 15,550.35
  4. Step 4: Simplify right side
    24,978.75x = 535,804,336.88
  5. Step 5: Solve for x
    x = 535,804,336.88/24,978.75
  6. Step 6: Final answer
    x = 21,450.41

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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.