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Finding the Fourth Proportional to 65,777.33, 98,671.76 and 18,392.94

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Solution

The fourth proportional to 65,777.33, 98,671.76 and 18,392.94 is: 27,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,777.33 : 98,671.76 = 18,392.94 : x
  2. Step 2: Convert to fraction form
    65,777.33/98,671.76 = 18,392.94/x
  3. Step 3: Cross multiply
    65,777.33x = 98,671.76 × 18,392.94
  4. Step 4: Simplify right side
    65,777.33x = 1,814,863,761.37
  5. Step 5: Solve for x
    x = 1,814,863,761.37/65,777.33
  6. Step 6: Final answer
    x = 27,591.02

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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.