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Finding the Fourth Proportional to 24,809.40, 37,220.10 and 7,279.80

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Solution

The fourth proportional to 24,809.40, 37,220.10 and 7,279.80 is: 10,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,809.40 : 37,220.10 = 7,279.80 : x
  2. Step 2: Convert to fraction form
    24,809.40/37,220.10 = 7,279.80/x
  3. Step 3: Cross multiply
    24,809.40x = 37,220.10 × 7,279.80
  4. Step 4: Simplify right side
    24,809.40x = 270,954,883.98
  5. Step 5: Solve for x
    x = 270,954,883.98/24,809.40
  6. Step 6: Final answer
    x = 10,921.46

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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.