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Finding the Fourth Proportional to 36,049.60, 54,009.60 and 30,865.60

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Solution

The fourth proportional to 36,049.60, 54,009.60 and 30,865.60 is: 46,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,049.60 : 54,009.60 = 30,865.60 : x
  2. Step 2: Convert to fraction form
    36,049.60/54,009.60 = 30,865.60/x
  3. Step 3: Cross multiply
    36,049.60x = 54,009.60 × 30,865.60
  4. Step 4: Simplify right side
    36,049.60x = 1,667,038,709.76
  5. Step 5: Solve for x
    x = 1,667,038,709.76/36,049.60
  6. Step 6: Final answer
    x = 46,242.92

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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.