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Finding the Fourth Proportional to 48,992.53, 73,480.92 and 13,445.55

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Solution

The fourth proportional to 48,992.53, 73,480.92 and 13,445.55 is: 20,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,992.53 : 73,480.92 = 13,445.55 : x
  2. Step 2: Convert to fraction form
    48,992.53/73,480.92 = 13,445.55/x
  3. Step 3: Cross multiply
    48,992.53x = 73,480.92 × 13,445.55
  4. Step 4: Simplify right side
    48,992.53x = 987,991,016.50
  5. Step 5: Solve for x
    x = 987,991,016.50/48,992.53
  6. Step 6: Final answer
    x = 20,166.16

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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.