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Finding the Fourth Proportional to 53,843.49, 80,765.28 and 25,756.92

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Solution

The fourth proportional to 53,843.49, 80,765.28 and 25,756.92 is: 38,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,843.49 : 80,765.28 = 25,756.92 : x
  2. Step 2: Convert to fraction form
    53,843.49/80,765.28 = 25,756.92/x
  3. Step 3: Cross multiply
    53,843.49x = 80,765.28 × 25,756.92
  4. Step 4: Simplify right side
    53,843.49x = 2,080,264,855.74
  5. Step 5: Solve for x
    x = 2,080,264,855.74/53,843.49
  6. Step 6: Final answer
    x = 38,635.40

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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.