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Finding the Fourth Proportional to 71,093.42, 98,109.40 and 38,827.22

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Solution

The fourth proportional to 71,093.42, 98,109.40 and 38,827.22 is: 53,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,093.42 : 98,109.40 = 38,827.22 : x
  2. Step 2: Convert to fraction form
    71,093.42/98,109.40 = 38,827.22/x
  3. Step 3: Cross multiply
    71,093.42x = 98,109.40 × 38,827.22
  4. Step 4: Simplify right side
    71,093.42x = 3,809,315,257.87
  5. Step 5: Solve for x
    x = 3,809,315,257.87/71,093.42
  6. Step 6: Final answer
    x = 53,581.83

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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.