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Finding the Fourth Proportional to 67,060.96, 100,580.64 and 22,686.88

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Solution

The fourth proportional to 67,060.96, 100,580.64 and 22,686.88 is: 34,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,060.96 : 100,580.64 = 22,686.88 : x
  2. Step 2: Convert to fraction form
    67,060.96/100,580.64 = 22,686.88/x
  3. Step 3: Cross multiply
    67,060.96x = 100,580.64 × 22,686.88
  4. Step 4: Simplify right side
    67,060.96x = 2,281,860,910.00
  5. Step 5: Solve for x
    x = 2,281,860,910.00/67,060.96
  6. Step 6: Final answer
    x = 34,026.67

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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.