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Finding the Fourth Proportional to 24,978.50, 34,467.12 and 14,224.80

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Solution

The fourth proportional to 24,978.50, 34,467.12 and 14,224.80 is: 19,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,978.50 : 34,467.12 = 14,224.80 : x
  2. Step 2: Convert to fraction form
    24,978.50/34,467.12 = 14,224.80/x
  3. Step 3: Cross multiply
    24,978.50x = 34,467.12 × 14,224.80
  4. Step 4: Simplify right side
    24,978.50x = 490,287,888.58
  5. Step 5: Solve for x
    x = 490,287,888.58/24,978.50
  6. Step 6: Final answer
    x = 19,628.40

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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.