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Finding the Fourth Proportional to 7,471.04, 11,136.23 and 7,232.29

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Solution

The fourth proportional to 7,471.04, 11,136.23 and 7,232.29 is: 10,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.04 : 11,136.23 = 7,232.29 : x
  2. Step 2: Convert to fraction form
    7,471.04/11,136.23 = 7,232.29/x
  3. Step 3: Cross multiply
    7,471.04x = 11,136.23 × 7,232.29
  4. Step 4: Simplify right side
    7,471.04x = 80,540,448.67
  5. Step 5: Solve for x
    x = 80,540,448.67/7,471.04
  6. Step 6: Final answer
    x = 10,780.36

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.