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Finding the Fourth Proportional to 23,951.70, 35,915.20 and 12,867.70

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Solution

The fourth proportional to 23,951.70, 35,915.20 and 12,867.70 is: 19,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,951.70 : 35,915.20 = 12,867.70 : x
  2. Step 2: Convert to fraction form
    23,951.70/35,915.20 = 12,867.70/x
  3. Step 3: Cross multiply
    23,951.70x = 35,915.20 × 12,867.70
  4. Step 4: Simplify right side
    23,951.70x = 462,146,019.04
  5. Step 5: Solve for x
    x = 462,146,019.04/23,951.70
  6. Step 6: Final answer
    x = 19,294.92

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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.