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Finding the Fourth Proportional to 23,250, 34,874.88 and 12,883.68

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Solution

The fourth proportional to 23,250, 34,874.88 and 12,883.68 is: 19,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,250 : 34,874.88 = 12,883.68 : x
  2. Step 2: Convert to fraction form
    23,250/34,874.88 = 12,883.68/x
  3. Step 3: Cross multiply
    23,250x = 34,874.88 × 12,883.68
  4. Step 4: Simplify right side
    23,250x = 449,316,793.96
  5. Step 5: Solve for x
    x = 449,316,793.96/23,250
  6. Step 6: Final answer
    x = 19,325.45

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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.