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Finding the Fourth Proportional to 63,160.84, 94,750.62 and 21,027.16

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Solution

The fourth proportional to 63,160.84, 94,750.62 and 21,027.16 is: 31,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,160.84 : 94,750.62 = 21,027.16 : x
  2. Step 2: Convert to fraction form
    63,160.84/94,750.62 = 21,027.16/x
  3. Step 3: Cross multiply
    63,160.84x = 94,750.62 × 21,027.16
  4. Step 4: Simplify right side
    63,160.84x = 1,992,336,446.84
  5. Step 5: Solve for x
    x = 1,992,336,446.84/63,160.84
  6. Step 6: Final answer
    x = 31,543.86

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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.