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Finding the Fourth Proportional to 57,599.56, 79,434.67 and 39,476.62

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Solution

The fourth proportional to 57,599.56, 79,434.67 and 39,476.62 is: 54,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,599.56 : 79,434.67 = 39,476.62 : x
  2. Step 2: Convert to fraction form
    57,599.56/79,434.67 = 39,476.62/x
  3. Step 3: Cross multiply
    57,599.56x = 79,434.67 × 39,476.62
  4. Step 4: Simplify right side
    57,599.56x = 3,135,812,282.42
  5. Step 5: Solve for x
    x = 3,135,812,282.42/57,599.56
  6. Step 6: Final answer
    x = 54,441.60

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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.