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Finding the Fourth Proportional to 62,221.50, 85,871.82 and 36,736.26

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Solution

The fourth proportional to 62,221.50, 85,871.82 and 36,736.26 is: 50,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,221.50 : 85,871.82 = 36,736.26 : x
  2. Step 2: Convert to fraction form
    62,221.50/85,871.82 = 36,736.26/x
  3. Step 3: Cross multiply
    62,221.50x = 85,871.82 × 36,736.26
  4. Step 4: Simplify right side
    62,221.50x = 3,154,609,506.19
  5. Step 5: Solve for x
    x = 3,154,609,506.19/62,221.50
  6. Step 6: Final answer
    x = 50,699.67

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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.