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Finding the Fourth Proportional to 48,685.55, 73,028.32 and 11,749.55

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Solution

The fourth proportional to 48,685.55, 73,028.32 and 11,749.55 is: 17,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.55 : 73,028.32 = 11,749.55 : x
  2. Step 2: Convert to fraction form
    48,685.55/73,028.32 = 11,749.55/x
  3. Step 3: Cross multiply
    48,685.55x = 73,028.32 × 11,749.55
  4. Step 4: Simplify right side
    48,685.55x = 858,049,502.74
  5. Step 5: Solve for x
    x = 858,049,502.74/48,685.55
  6. Step 6: Final answer
    x = 17,624.32

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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.