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Finding the Fourth Proportional to 53,819.60, 80,729.40 and 27,575.60

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Solution

The fourth proportional to 53,819.60, 80,729.40 and 27,575.60 is: 41,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,819.60 : 80,729.40 = 27,575.60 : x
  2. Step 2: Convert to fraction form
    53,819.60/80,729.40 = 27,575.60/x
  3. Step 3: Cross multiply
    53,819.60x = 80,729.40 × 27,575.60
  4. Step 4: Simplify right side
    53,819.60x = 2,226,161,642.64
  5. Step 5: Solve for x
    x = 2,226,161,642.64/53,819.60
  6. Step 6: Final answer
    x = 41,363.40

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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.