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Finding the Fourth Proportional to 57,673.36, 79,544.46 and 36,444.88

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Solution

The fourth proportional to 57,673.36, 79,544.46 and 36,444.88 is: 50,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,673.36 : 79,544.46 = 36,444.88 : x
  2. Step 2: Convert to fraction form
    57,673.36/79,544.46 = 36,444.88/x
  3. Step 3: Cross multiply
    57,673.36x = 79,544.46 × 36,444.88
  4. Step 4: Simplify right side
    57,673.36x = 2,898,988,299.36
  5. Step 5: Solve for x
    x = 2,898,988,299.36/57,673.36
  6. Step 6: Final answer
    x = 50,265.64

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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.