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Finding the Fourth Proportional to 48,914.40, 73,460.70 and 29,231.40

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Solution

The fourth proportional to 48,914.40, 73,460.70 and 29,231.40 is: 43,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,914.40 : 73,460.70 = 29,231.40 : x
  2. Step 2: Convert to fraction form
    48,914.40/73,460.70 = 29,231.40/x
  3. Step 3: Cross multiply
    48,914.40x = 73,460.70 × 29,231.40
  4. Step 4: Simplify right side
    48,914.40x = 2,147,359,105.98
  5. Step 5: Solve for x
    x = 2,147,359,105.98/48,914.40
  6. Step 6: Final answer
    x = 43,900.35

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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.