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Finding the Fourth Proportional to 48,800.67, 73,201 and 15,520.80

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Solution

The fourth proportional to 48,800.67, 73,201 and 15,520.80 is: 23,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,800.67 : 73,201 = 15,520.80 : x
  2. Step 2: Convert to fraction form
    48,800.67/73,201 = 15,520.80/x
  3. Step 3: Cross multiply
    48,800.67x = 73,201 × 15,520.80
  4. Step 4: Simplify right side
    48,800.67x = 1,136,138,080.80
  5. Step 5: Solve for x
    x = 1,136,138,080.80/48,800.67
  6. Step 6: Final answer
    x = 23,281.20

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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.