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Finding the Fourth Proportional to 65,492.69, 98,156.82 and 28,008.67

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Solution

The fourth proportional to 65,492.69, 98,156.82 and 28,008.67 is: 41,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,492.69 : 98,156.82 = 28,008.67 : x
  2. Step 2: Convert to fraction form
    65,492.69/98,156.82 = 28,008.67/x
  3. Step 3: Cross multiply
    65,492.69x = 98,156.82 × 28,008.67
  4. Step 4: Simplify right side
    65,492.69x = 2,749,241,734.24
  5. Step 5: Solve for x
    x = 2,749,241,734.24/65,492.69
  6. Step 6: Final answer
    x = 41,977.84

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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.