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Finding the Fourth Proportional to 24,279.60, 36,457.80 and 18,442.80

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Solution

The fourth proportional to 24,279.60, 36,457.80 and 18,442.80 is: 27,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,279.60 : 36,457.80 = 18,442.80 : x
  2. Step 2: Convert to fraction form
    24,279.60/36,457.80 = 18,442.80/x
  3. Step 3: Cross multiply
    24,279.60x = 36,457.80 × 18,442.80
  4. Step 4: Simplify right side
    24,279.60x = 672,383,913.84
  5. Step 5: Solve for x
    x = 672,383,913.84/24,279.60
  6. Step 6: Final answer
    x = 27,693.37

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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.