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Finding the Fourth Proportional to 66,676.52, 92,023.26 and 38,381.96

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Solution

The fourth proportional to 66,676.52, 92,023.26 and 38,381.96 is: 52,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,676.52 : 92,023.26 = 38,381.96 : x
  2. Step 2: Convert to fraction form
    66,676.52/92,023.26 = 38,381.96/x
  3. Step 3: Cross multiply
    66,676.52x = 92,023.26 × 38,381.96
  4. Step 4: Simplify right side
    66,676.52x = 3,532,033,084.39
  5. Step 5: Solve for x
    x = 3,532,033,084.39/66,676.52
  6. Step 6: Final answer
    x = 52,972.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.