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Finding the Fourth Proportional to 79,596.28, 109,846.56 and 43,785.64

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Solution

The fourth proportional to 79,596.28, 109,846.56 and 43,785.64 is: 60,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,596.28 : 109,846.56 = 43,785.64 : x
  2. Step 2: Convert to fraction form
    79,596.28/109,846.56 = 43,785.64/x
  3. Step 3: Cross multiply
    79,596.28x = 109,846.56 × 43,785.64
  4. Step 4: Simplify right side
    79,596.28x = 4,809,701,931.40
  5. Step 5: Solve for x
    x = 4,809,701,931.40/79,596.28
  6. Step 6: Final answer
    x = 60,426.22

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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.