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Finding the Fourth Proportional to 63,076.72, 94,624.80 and 21,514

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Solution

The fourth proportional to 63,076.72, 94,624.80 and 21,514 is: 32,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,076.72 : 94,624.80 = 21,514 : x
  2. Step 2: Convert to fraction form
    63,076.72/94,624.80 = 21,514/x
  3. Step 3: Cross multiply
    63,076.72x = 94,624.80 × 21,514
  4. Step 4: Simplify right side
    63,076.72x = 2,035,757,947.20
  5. Step 5: Solve for x
    x = 2,035,757,947.20/63,076.72
  6. Step 6: Final answer
    x = 32,274.32

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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.