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Finding the Fourth Proportional to 29,824.80, 44,672.40 and 19,327.20

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Solution

The fourth proportional to 29,824.80, 44,672.40 and 19,327.20 is: 28,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,824.80 : 44,672.40 = 19,327.20 : x
  2. Step 2: Convert to fraction form
    29,824.80/44,672.40 = 19,327.20/x
  3. Step 3: Cross multiply
    29,824.80x = 44,672.40 × 19,327.20
  4. Step 4: Simplify right side
    29,824.80x = 863,392,409.28
  5. Step 5: Solve for x
    x = 863,392,409.28/29,824.80
  6. Step 6: Final answer
    x = 28,948.81

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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.