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Finding the Fourth Proportional to 29,202.18, 43,809.78 and 8,425.68

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Solution

The fourth proportional to 29,202.18, 43,809.78 and 8,425.68 is: 12,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,202.18 : 43,809.78 = 8,425.68 : x
  2. Step 2: Convert to fraction form
    29,202.18/43,809.78 = 8,425.68/x
  3. Step 3: Cross multiply
    29,202.18x = 43,809.78 × 8,425.68
  4. Step 4: Simplify right side
    29,202.18x = 369,127,187.15
  5. Step 5: Solve for x
    x = 369,127,187.15/29,202.18
  6. Step 6: Final answer
    x = 12,640.40

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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.