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Finding the Fourth Proportional to 11,803.44, 17,703.88 and 7,407.84

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Solution

The fourth proportional to 11,803.44, 17,703.88 and 7,407.84 is: 11,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.44 : 17,703.88 = 7,407.84 : x
  2. Step 2: Convert to fraction form
    11,803.44/17,703.88 = 7,407.84/x
  3. Step 3: Cross multiply
    11,803.44x = 17,703.88 × 7,407.84
  4. Step 4: Simplify right side
    11,803.44x = 131,147,510.42
  5. Step 5: Solve for x
    x = 131,147,510.42/11,803.44
  6. Step 6: Final answer
    x = 11,110.96

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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.