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Finding the Fourth Proportional to 63,609.84, 95,420.16 and 16,862.16

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Solution

The fourth proportional to 63,609.84, 95,420.16 and 16,862.16 is: 25,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,609.84 : 95,420.16 = 16,862.16 : x
  2. Step 2: Convert to fraction form
    63,609.84/95,420.16 = 16,862.16/x
  3. Step 3: Cross multiply
    63,609.84x = 95,420.16 × 16,862.16
  4. Step 4: Simplify right side
    63,609.84x = 1,608,990,005.15
  5. Step 5: Solve for x
    x = 1,608,990,005.15/63,609.84
  6. Step 6: Final answer
    x = 25,294.67

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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.