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Finding the Fourth Proportional to 57,599.50, 79,491.39 and 32,449

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Solution

The fourth proportional to 57,599.50, 79,491.39 and 32,449 is: 44,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,599.50 : 79,491.39 = 32,449 : x
  2. Step 2: Convert to fraction form
    57,599.50/79,491.39 = 32,449/x
  3. Step 3: Cross multiply
    57,599.50x = 79,491.39 × 32,449
  4. Step 4: Simplify right side
    57,599.50x = 2,579,416,114.11
  5. Step 5: Solve for x
    x = 2,579,416,114.11/57,599.50
  6. Step 6: Final answer
    x = 44,781.92

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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.