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Finding the Fourth Proportional to 48,685.42, 73,028.13 and 11,749.42

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Solution

The fourth proportional to 48,685.42, 73,028.13 and 11,749.42 is: 17,624.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.42 : 73,028.13 = 11,749.42 : x
  2. Step 2: Convert to fraction form
    48,685.42/73,028.13 = 11,749.42/x
  3. Step 3: Cross multiply
    48,685.42x = 73,028.13 × 11,749.42
  4. Step 4: Simplify right side
    48,685.42x = 858,038,171.18
  5. Step 5: Solve for x
    x = 858,038,171.18/48,685.42
  6. Step 6: Final answer
    x = 17,624.13

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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.