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Finding the Fourth Proportional to 63,181.35, 87,207.03 and 36,326.81

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Solution

The fourth proportional to 63,181.35, 87,207.03 and 36,326.81 is: 50,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,181.35 : 87,207.03 = 36,326.81 : x
  2. Step 2: Convert to fraction form
    63,181.35/87,207.03 = 36,326.81/x
  3. Step 3: Cross multiply
    63,181.35x = 87,207.03 × 36,326.81
  4. Step 4: Simplify right side
    63,181.35x = 3,167,953,427.49
  5. Step 5: Solve for x
    x = 3,167,953,427.49/63,181.35
  6. Step 6: Final answer
    x = 50,140.64

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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.