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Finding the Fourth Proportional to 57,696.16, 79,620.96 and 33,823.20

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Solution

The fourth proportional to 57,696.16, 79,620.96 and 33,823.20 is: 46,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,696.16 : 79,620.96 = 33,823.20 : x
  2. Step 2: Convert to fraction form
    57,696.16/79,620.96 = 33,823.20/x
  3. Step 3: Cross multiply
    57,696.16x = 79,620.96 × 33,823.20
  4. Step 4: Simplify right side
    57,696.16x = 2,693,035,654.27
  5. Step 5: Solve for x
    x = 2,693,035,654.27/57,696.16
  6. Step 6: Final answer
    x = 46,676.17

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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.