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Finding the Fourth Proportional to 23,492.80, 35,238.96 and 7,910.32

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Solution

The fourth proportional to 23,492.80, 35,238.96 and 7,910.32 is: 11,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,492.80 : 35,238.96 = 7,910.32 : x
  2. Step 2: Convert to fraction form
    23,492.80/35,238.96 = 7,910.32/x
  3. Step 3: Cross multiply
    23,492.80x = 35,238.96 × 7,910.32
  4. Step 4: Simplify right side
    23,492.80x = 278,751,450.07
  5. Step 5: Solve for x
    x = 278,751,450.07/23,492.80
  6. Step 6: Final answer
    x = 11,865.40

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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.