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Finding the Fourth Proportional to 48,372.84, 72,559.62 and 13,314.42

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Solution

The fourth proportional to 48,372.84, 72,559.62 and 13,314.42 is: 19,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.84 : 72,559.62 = 13,314.42 : x
  2. Step 2: Convert to fraction form
    48,372.84/72,559.62 = 13,314.42/x
  3. Step 3: Cross multiply
    48,372.84x = 72,559.62 × 13,314.42
  4. Step 4: Simplify right side
    48,372.84x = 966,089,255.72
  5. Step 5: Solve for x
    x = 966,089,255.72/48,372.84
  6. Step 6: Final answer
    x = 19,971.73

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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.