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Finding the Fourth Proportional to 63,141.72, 94,712.58 and 21,589.08

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Solution

The fourth proportional to 63,141.72, 94,712.58 and 21,589.08 is: 32,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,141.72 : 94,712.58 = 21,589.08 : x
  2. Step 2: Convert to fraction form
    63,141.72/94,712.58 = 21,589.08/x
  3. Step 3: Cross multiply
    63,141.72x = 94,712.58 × 21,589.08
  4. Step 4: Simplify right side
    63,141.72x = 2,044,757,466.63
  5. Step 5: Solve for x
    x = 2,044,757,466.63/63,141.72
  6. Step 6: Final answer
    x = 32,383.62

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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.