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Finding the Fourth Proportional to 7,492.08, 11,241.08 and 3,112.56

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Solution

The fourth proportional to 7,492.08, 11,241.08 and 3,112.56 is: 4,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.08 : 11,241.08 = 3,112.56 : x
  2. Step 2: Convert to fraction form
    7,492.08/11,241.08 = 3,112.56/x
  3. Step 3: Cross multiply
    7,492.08x = 11,241.08 × 3,112.56
  4. Step 4: Simplify right side
    7,492.08x = 34,988,535.96
  5. Step 5: Solve for x
    x = 34,988,535.96/7,492.08
  6. Step 6: Final answer
    x = 4,670.07

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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.