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Finding the Fourth Proportional to 48,994.53, 73,483.92 and 13,447.55

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Solution

The fourth proportional to 48,994.53, 73,483.92 and 13,447.55 is: 20,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,994.53 : 73,483.92 = 13,447.55 : x
  2. Step 2: Convert to fraction form
    48,994.53/73,483.92 = 13,447.55/x
  3. Step 3: Cross multiply
    48,994.53x = 73,483.92 × 13,447.55
  4. Step 4: Simplify right side
    48,994.53x = 988,178,688.40
  5. Step 5: Solve for x
    x = 988,178,688.40/48,994.53
  6. Step 6: Final answer
    x = 20,169.16

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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.