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Finding the Fourth Proportional to 44,592.92, 66,881.80 and 13,420.88

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Solution

The fourth proportional to 44,592.92, 66,881.80 and 13,420.88 is: 20,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,592.92 : 66,881.80 = 13,420.88 : x
  2. Step 2: Convert to fraction form
    44,592.92/66,881.80 = 13,420.88/x
  3. Step 3: Cross multiply
    44,592.92x = 66,881.80 × 13,420.88
  4. Step 4: Simplify right side
    44,592.92x = 897,612,611.98
  5. Step 5: Solve for x
    x = 897,612,611.98/44,592.92
  6. Step 6: Final answer
    x = 20,129.04

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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.