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Finding the Fourth Proportional to 71,741.43, 107,610.93 and 32,270.67

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Solution

The fourth proportional to 71,741.43, 107,610.93 and 32,270.67 is: 48,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,741.43 : 107,610.93 = 32,270.67 : x
  2. Step 2: Convert to fraction form
    71,741.43/107,610.93 = 32,270.67/x
  3. Step 3: Cross multiply
    71,741.43x = 107,610.93 × 32,270.67
  4. Step 4: Simplify right side
    71,741.43x = 3,472,676,810.42
  5. Step 5: Solve for x
    x = 3,472,676,810.42/71,741.43
  6. Step 6: Final answer
    x = 48,405.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.