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Finding the Fourth Proportional to 7,486.04, 11,222.96 and 2,803.42

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Solution

The fourth proportional to 7,486.04, 11,222.96 and 2,803.42 is: 4,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.04 : 11,222.96 = 2,803.42 : x
  2. Step 2: Convert to fraction form
    7,486.04/11,222.96 = 2,803.42/x
  3. Step 3: Cross multiply
    7,486.04x = 11,222.96 × 2,803.42
  4. Step 4: Simplify right side
    7,486.04x = 31,462,670.52
  5. Step 5: Solve for x
    x = 31,462,670.52/7,486.04
  6. Step 6: Final answer
    x = 4,202.85

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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.