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Finding the Fourth Proportional to 30,006.96, 44,915.88 and 20,591.92

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Solution

The fourth proportional to 30,006.96, 44,915.88 and 20,591.92 is: 30,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.96 : 44,915.88 = 20,591.92 : x
  2. Step 2: Convert to fraction form
    30,006.96/44,915.88 = 20,591.92/x
  3. Step 3: Cross multiply
    30,006.96x = 44,915.88 × 20,591.92
  4. Step 4: Simplify right side
    30,006.96x = 924,904,207.69
  5. Step 5: Solve for x
    x = 924,904,207.69/30,006.96
  6. Step 6: Final answer
    x = 30,822.99

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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.