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Finding the Fourth Proportional to 34,485.89, 51,717.89 and 14,759.15

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Solution

The fourth proportional to 34,485.89, 51,717.89 and 14,759.15 is: 22,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.89 : 51,717.89 = 14,759.15 : x
  2. Step 2: Convert to fraction form
    34,485.89/51,717.89 = 14,759.15/x
  3. Step 3: Cross multiply
    34,485.89x = 51,717.89 × 14,759.15
  4. Step 4: Simplify right side
    34,485.89x = 763,311,874.50
  5. Step 5: Solve for x
    x = 763,311,874.50/34,485.89
  6. Step 6: Final answer
    x = 22,134.04

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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.