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Finding the Fourth Proportional to 29,960.40, 44,935.20 and 18,847.20

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Solution

The fourth proportional to 29,960.40, 44,935.20 and 18,847.20 is: 28,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,960.40 : 44,935.20 = 18,847.20 : x
  2. Step 2: Convert to fraction form
    29,960.40/44,935.20 = 18,847.20/x
  3. Step 3: Cross multiply
    29,960.40x = 44,935.20 × 18,847.20
  4. Step 4: Simplify right side
    29,960.40x = 846,902,701.44
  5. Step 5: Solve for x
    x = 846,902,701.44/29,960.40
  6. Step 6: Final answer
    x = 28,267.40

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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.