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Finding the Fourth Proportional to 48,607.80, 72,911.70 and 32,940.60

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Solution

The fourth proportional to 48,607.80, 72,911.70 and 32,940.60 is: 49,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,607.80 : 72,911.70 = 32,940.60 : x
  2. Step 2: Convert to fraction form
    48,607.80/72,911.70 = 32,940.60/x
  3. Step 3: Cross multiply
    48,607.80x = 72,911.70 × 32,940.60
  4. Step 4: Simplify right side
    48,607.80x = 2,401,755,145.02
  5. Step 5: Solve for x
    x = 2,401,755,145.02/48,607.80
  6. Step 6: Final answer
    x = 49,410.90

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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.