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Finding the Fourth Proportional to 48,199.80, 72,305.10 and 14,919.60

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Solution

The fourth proportional to 48,199.80, 72,305.10 and 14,919.60 is: 22,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,199.80 : 72,305.10 = 14,919.60 : x
  2. Step 2: Convert to fraction form
    48,199.80/72,305.10 = 14,919.60/x
  3. Step 3: Cross multiply
    48,199.80x = 72,305.10 × 14,919.60
  4. Step 4: Simplify right side
    48,199.80x = 1,078,763,169.96
  5. Step 5: Solve for x
    x = 1,078,763,169.96/48,199.80
  6. Step 6: Final answer
    x = 22,381.07

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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.