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Finding the Fourth Proportional to 48,668.60, 73,002.96 and 13,608.22

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Solution

The fourth proportional to 48,668.60, 73,002.96 and 13,608.22 is: 20,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.60 : 73,002.96 = 13,608.22 : x
  2. Step 2: Convert to fraction form
    48,668.60/73,002.96 = 13,608.22/x
  3. Step 3: Cross multiply
    48,668.60x = 73,002.96 × 13,608.22
  4. Step 4: Simplify right side
    48,668.60x = 993,440,340.33
  5. Step 5: Solve for x
    x = 993,440,340.33/48,668.60
  6. Step 6: Final answer
    x = 20,412.35

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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.