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Finding the Fourth Proportional to 48,874.12, 73,311.06 and 11,938.12

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Solution

The fourth proportional to 48,874.12, 73,311.06 and 11,938.12 is: 17,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,874.12 : 73,311.06 = 11,938.12 : x
  2. Step 2: Convert to fraction form
    48,874.12/73,311.06 = 11,938.12/x
  3. Step 3: Cross multiply
    48,874.12x = 73,311.06 × 11,938.12
  4. Step 4: Simplify right side
    48,874.12x = 875,196,231.61
  5. Step 5: Solve for x
    x = 875,196,231.61/48,874.12
  6. Step 6: Final answer
    x = 17,907.15

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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.