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Finding the Fourth Proportional to 63,897.84, 95,861.34 and 19,530.90

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Solution

The fourth proportional to 63,897.84, 95,861.34 and 19,530.90 is: 29,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,897.84 : 95,861.34 = 19,530.90 : x
  2. Step 2: Convert to fraction form
    63,897.84/95,861.34 = 19,530.90/x
  3. Step 3: Cross multiply
    63,897.84x = 95,861.34 × 19,530.90
  4. Step 4: Simplify right side
    63,897.84x = 1,872,258,245.41
  5. Step 5: Solve for x
    x = 1,872,258,245.41/63,897.84
  6. Step 6: Final answer
    x = 29,300.81

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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.