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Finding the Fourth Proportional to 36,447.01, 54,678.81 and 11,486.92

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Solution

The fourth proportional to 36,447.01, 54,678.81 and 11,486.92 is: 17,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,447.01 : 54,678.81 = 11,486.92 : x
  2. Step 2: Convert to fraction form
    36,447.01/54,678.81 = 11,486.92/x
  3. Step 3: Cross multiply
    36,447.01x = 54,678.81 × 11,486.92
  4. Step 4: Simplify right side
    36,447.01x = 628,091,116.17
  5. Step 5: Solve for x
    x = 628,091,116.17/36,447.01
  6. Step 6: Final answer
    x = 17,232.99

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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.