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Finding the Fourth Proportional to 24,915.60, 34,425 and 19,650.60

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Solution

The fourth proportional to 24,915.60, 34,425 and 19,650.60 is: 27,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,915.60 : 34,425 = 19,650.60 : x
  2. Step 2: Convert to fraction form
    24,915.60/34,425 = 19,650.60/x
  3. Step 3: Cross multiply
    24,915.60x = 34,425 × 19,650.60
  4. Step 4: Simplify right side
    24,915.60x = 676,471,905
  5. Step 5: Solve for x
    x = 676,471,905/24,915.60
  6. Step 6: Final answer
    x = 27,150.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.