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Finding the Fourth Proportional to 79,602.76, 109,853.46 and 43,792.84

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Solution

The fourth proportional to 79,602.76, 109,853.46 and 43,792.84 is: 60,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,602.76 : 109,853.46 = 43,792.84 : x
  2. Step 2: Convert to fraction form
    79,602.76/109,853.46 = 43,792.84/x
  3. Step 3: Cross multiply
    79,602.76x = 109,853.46 × 43,792.84
  4. Step 4: Simplify right side
    79,602.76x = 4,810,794,997.23
  5. Step 5: Solve for x
    x = 4,810,794,997.23/79,602.76
  6. Step 6: Final answer
    x = 60,435.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.