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Finding the Fourth Proportional to 34,674.30, 51,938.55 and 28,842.30

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Solution

The fourth proportional to 34,674.30, 51,938.55 and 28,842.30 is: 43,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,674.30 : 51,938.55 = 28,842.30 : x
  2. Step 2: Convert to fraction form
    34,674.30/51,938.55 = 28,842.30/x
  3. Step 3: Cross multiply
    34,674.30x = 51,938.55 × 28,842.30
  4. Step 4: Simplify right side
    34,674.30x = 1,498,027,240.67
  5. Step 5: Solve for x
    x = 1,498,027,240.67/34,674.30
  6. Step 6: Final answer
    x = 43,202.81

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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.