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Finding the Fourth Proportional to 63,102.93, 94,618.89 and 20,960.46

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Solution

The fourth proportional to 63,102.93, 94,618.89 and 20,960.46 is: 31,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,102.93 : 94,618.89 = 20,960.46 : x
  2. Step 2: Convert to fraction form
    63,102.93/94,618.89 = 20,960.46/x
  3. Step 3: Cross multiply
    63,102.93x = 94,618.89 × 20,960.46
  4. Step 4: Simplify right side
    63,102.93x = 1,983,255,459.09
  5. Step 5: Solve for x
    x = 1,983,255,459.09/63,102.93
  6. Step 6: Final answer
    x = 31,428.90

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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.