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Finding the Fourth Proportional to 29,863.80, 44,801.10 and 12,335.40

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Solution

The fourth proportional to 29,863.80, 44,801.10 and 12,335.40 is: 18,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,863.80 : 44,801.10 = 12,335.40 : x
  2. Step 2: Convert to fraction form
    29,863.80/44,801.10 = 12,335.40/x
  3. Step 3: Cross multiply
    29,863.80x = 44,801.10 × 12,335.40
  4. Step 4: Simplify right side
    29,863.80x = 552,639,488.94
  5. Step 5: Solve for x
    x = 552,639,488.94/29,863.80
  6. Step 6: Final answer
    x = 18,505.33

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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.