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Finding the Fourth Proportional to 52,165.62, 71,991.60 and 29,506.62

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Solution

The fourth proportional to 52,165.62, 71,991.60 and 29,506.62 is: 40,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,165.62 : 71,991.60 = 29,506.62 : x
  2. Step 2: Convert to fraction form
    52,165.62/71,991.60 = 29,506.62/x
  3. Step 3: Cross multiply
    52,165.62x = 71,991.60 × 29,506.62
  4. Step 4: Simplify right side
    52,165.62x = 2,124,228,784.39
  5. Step 5: Solve for x
    x = 2,124,228,784.39/52,165.62
  6. Step 6: Final answer
    x = 40,720.86

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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.