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Finding the Fourth Proportional to 57,983.04, 87,048 and 48,241.44

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Solution

The fourth proportional to 57,983.04, 87,048 and 48,241.44 is: 72,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,983.04 : 87,048 = 48,241.44 : x
  2. Step 2: Convert to fraction form
    57,983.04/87,048 = 48,241.44/x
  3. Step 3: Cross multiply
    57,983.04x = 87,048 × 48,241.44
  4. Step 4: Simplify right side
    57,983.04x = 4,199,320,869.12
  5. Step 5: Solve for x
    x = 4,199,320,869.12/57,983.04
  6. Step 6: Final answer
    x = 72,423.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.