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Finding the Fourth Proportional to 65,777.73, 98,672.84 and 18,392.83

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Solution

The fourth proportional to 65,777.73, 98,672.84 and 18,392.83 is: 27,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,777.73 : 98,672.84 = 18,392.83 : x
  2. Step 2: Convert to fraction form
    65,777.73/98,672.84 = 18,392.83/x
  3. Step 3: Cross multiply
    65,777.73x = 98,672.84 × 18,392.83
  4. Step 4: Simplify right side
    65,777.73x = 1,814,872,348.36
  5. Step 5: Solve for x
    x = 1,814,872,348.36/65,777.73
  6. Step 6: Final answer
    x = 27,590.98

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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.