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Finding the Fourth Proportional to 36,649.59, 50,532.09 and 30,974.32

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Solution

The fourth proportional to 36,649.59, 50,532.09 and 30,974.32 is: 42,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,649.59 : 50,532.09 = 30,974.32 : x
  2. Step 2: Convert to fraction form
    36,649.59/50,532.09 = 30,974.32/x
  3. Step 3: Cross multiply
    36,649.59x = 50,532.09 × 30,974.32
  4. Step 4: Simplify right side
    36,649.59x = 1,565,197,125.93
  5. Step 5: Solve for x
    x = 1,565,197,125.93/36,649.59
  6. Step 6: Final answer
    x = 42,707.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.