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Finding the Fourth Proportional to 79,594.32, 109,842.84 and 43,785.84

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Solution

The fourth proportional to 79,594.32, 109,842.84 and 43,785.84 is: 60,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,594.32 : 109,842.84 = 43,785.84 : x
  2. Step 2: Convert to fraction form
    79,594.32/109,842.84 = 43,785.84/x
  3. Step 3: Cross multiply
    79,594.32x = 109,842.84 × 43,785.84
  4. Step 4: Simplify right side
    79,594.32x = 4,809,561,017.39
  5. Step 5: Solve for x
    x = 4,809,561,017.39/79,594.32
  6. Step 6: Final answer
    x = 60,425.93

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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.