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Finding the Fourth Proportional to 7,492.64, 11,239.44 and 3,110.44

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Solution

The fourth proportional to 7,492.64, 11,239.44 and 3,110.44 is: 4,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.64 : 11,239.44 = 3,110.44 : x
  2. Step 2: Convert to fraction form
    7,492.64/11,239.44 = 3,110.44/x
  3. Step 3: Cross multiply
    7,492.64x = 11,239.44 × 3,110.44
  4. Step 4: Simplify right side
    7,492.64x = 34,959,603.75
  5. Step 5: Solve for x
    x = 34,959,603.75/7,492.64
  6. Step 6: Final answer
    x = 4,665.86

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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.