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Finding the Fourth Proportional to 7,493.67, 10,341.21 and 4,136.41

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Solution

The fourth proportional to 7,493.67, 10,341.21 and 4,136.41 is: 5,708.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.67 : 10,341.21 = 4,136.41 : x
  2. Step 2: Convert to fraction form
    7,493.67/10,341.21 = 4,136.41/x
  3. Step 3: Cross multiply
    7,493.67x = 10,341.21 × 4,136.41
  4. Step 4: Simplify right side
    7,493.67x = 42,775,484.46
  5. Step 5: Solve for x
    x = 42,775,484.46/7,493.67
  6. Step 6: Final answer
    x = 5,708.22

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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.