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Finding the Fourth Proportional to 48,680.40, 73,020.60 and 17,511.60

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Solution

The fourth proportional to 48,680.40, 73,020.60 and 17,511.60 is: 26,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,680.40 : 73,020.60 = 17,511.60 : x
  2. Step 2: Convert to fraction form
    48,680.40/73,020.60 = 17,511.60/x
  3. Step 3: Cross multiply
    48,680.40x = 73,020.60 × 17,511.60
  4. Step 4: Simplify right side
    48,680.40x = 1,278,707,538.96
  5. Step 5: Solve for x
    x = 1,278,707,538.96/48,680.40
  6. Step 6: Final answer
    x = 26,267.40

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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.