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Finding the Fourth Proportional to 36,587.28, 54,881.04 and 8,885.28

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Solution

The fourth proportional to 36,587.28, 54,881.04 and 8,885.28 is: 13,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,587.28 : 54,881.04 = 8,885.28 : x
  2. Step 2: Convert to fraction form
    36,587.28/54,881.04 = 8,885.28/x
  3. Step 3: Cross multiply
    36,587.28x = 54,881.04 × 8,885.28
  4. Step 4: Simplify right side
    36,587.28x = 487,633,407.09
  5. Step 5: Solve for x
    x = 487,633,407.09/36,587.28
  6. Step 6: Final answer
    x = 13,327.95

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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.