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Finding the Fourth Proportional to 7,492.79, 11,239.19 and 2,562.47

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Solution

The fourth proportional to 7,492.79, 11,239.19 and 2,562.47 is: 3,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.79 : 11,239.19 = 2,562.47 : x
  2. Step 2: Convert to fraction form
    7,492.79/11,239.19 = 2,562.47/x
  3. Step 3: Cross multiply
    7,492.79x = 11,239.19 × 2,562.47
  4. Step 4: Simplify right side
    7,492.79x = 28,800,087.20
  5. Step 5: Solve for x
    x = 28,800,087.20/7,492.79
  6. Step 6: Final answer
    x = 3,843.71

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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.