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Finding the Fourth Proportional to 40,493.67, 60,741.93 and 10,912.22

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Solution

The fourth proportional to 40,493.67, 60,741.93 and 10,912.22 is: 16,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,493.67 : 60,741.93 = 10,912.22 : x
  2. Step 2: Convert to fraction form
    40,493.67/60,741.93 = 10,912.22/x
  3. Step 3: Cross multiply
    40,493.67x = 60,741.93 × 10,912.22
  4. Step 4: Simplify right side
    40,493.67x = 662,829,303.38
  5. Step 5: Solve for x
    x = 662,829,303.38/40,493.67
  6. Step 6: Final answer
    x = 16,368.71

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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.