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Finding the Fourth Proportional to 53,886.83, 80,780.42 and 27,533.48

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Solution

The fourth proportional to 53,886.83, 80,780.42 and 27,533.48 is: 41,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.83 : 80,780.42 = 27,533.48 : x
  2. Step 2: Convert to fraction form
    53,886.83/80,780.42 = 27,533.48/x
  3. Step 3: Cross multiply
    53,886.83x = 80,780.42 × 27,533.48
  4. Step 4: Simplify right side
    53,886.83x = 2,224,165,743.39
  5. Step 5: Solve for x
    x = 2,224,165,743.39/53,886.83
  6. Step 6: Final answer
    x = 41,274.76

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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.