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Finding the Fourth Proportional to 23,262.48, 34,893.72 and 7,680.06

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Solution

The fourth proportional to 23,262.48, 34,893.72 and 7,680.06 is: 11,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,262.48 : 34,893.72 = 7,680.06 : x
  2. Step 2: Convert to fraction form
    23,262.48/34,893.72 = 7,680.06/x
  3. Step 3: Cross multiply
    23,262.48x = 34,893.72 × 7,680.06
  4. Step 4: Simplify right side
    23,262.48x = 267,985,863.22
  5. Step 5: Solve for x
    x = 267,985,863.22/23,262.48
  6. Step 6: Final answer
    x = 11,520.09

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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.