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Finding the Fourth Proportional to 66,452.91, 91,707.24 and 36,239.90

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Solution

The fourth proportional to 66,452.91, 91,707.24 and 36,239.90 is: 50,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,452.91 : 91,707.24 = 36,239.90 : x
  2. Step 2: Convert to fraction form
    66,452.91/91,707.24 = 36,239.90/x
  3. Step 3: Cross multiply
    66,452.91x = 91,707.24 × 36,239.90
  4. Step 4: Simplify right side
    66,452.91x = 3,323,460,748.34
  5. Step 5: Solve for x
    x = 3,323,460,748.34/66,452.91
  6. Step 6: Final answer
    x = 50,012.27

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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.