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Finding the Fourth Proportional to 79,385.79, 119,071.35 and 26,795.73

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Solution

The fourth proportional to 79,385.79, 119,071.35 and 26,795.73 is: 40,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,385.79 : 119,071.35 = 26,795.73 : x
  2. Step 2: Convert to fraction form
    79,385.79/119,071.35 = 26,795.73/x
  3. Step 3: Cross multiply
    79,385.79x = 119,071.35 × 26,795.73
  4. Step 4: Simplify right side
    79,385.79x = 3,190,603,745.34
  5. Step 5: Solve for x
    x = 3,190,603,745.34/79,385.79
  6. Step 6: Final answer
    x = 40,191.12

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1.5x scale

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.