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Finding the Fourth Proportional to 57,353.14, 79,185.90 and 43,900.42

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Solution

The fourth proportional to 57,353.14, 79,185.90 and 43,900.42 is: 60,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,353.14 : 79,185.90 = 43,900.42 : x
  2. Step 2: Convert to fraction form
    57,353.14/79,185.90 = 43,900.42/x
  3. Step 3: Cross multiply
    57,353.14x = 79,185.90 × 43,900.42
  4. Step 4: Simplify right side
    57,353.14x = 3,476,294,268.08
  5. Step 5: Solve for x
    x = 3,476,294,268.08/57,353.14
  6. Step 6: Final answer
    x = 60,612.10

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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.