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Finding the Fourth Proportional to 34,259.99, 51,394.10 and 12,068.78

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Solution

The fourth proportional to 34,259.99, 51,394.10 and 12,068.78 is: 18,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,259.99 : 51,394.10 = 12,068.78 : x
  2. Step 2: Convert to fraction form
    34,259.99/51,394.10 = 12,068.78/x
  3. Step 3: Cross multiply
    34,259.99x = 51,394.10 × 12,068.78
  4. Step 4: Simplify right side
    34,259.99x = 620,263,768.88
  5. Step 5: Solve for x
    x = 620,263,768.88/34,259.99
  6. Step 6: Final answer
    x = 18,104.61

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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.