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Finding the Fourth Proportional to 34,646.70, 51,969.96 and 8,351.40

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Solution

The fourth proportional to 34,646.70, 51,969.96 and 8,351.40 is: 12,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,646.70 : 51,969.96 = 8,351.40 : x
  2. Step 2: Convert to fraction form
    34,646.70/51,969.96 = 8,351.40/x
  3. Step 3: Cross multiply
    34,646.70x = 51,969.96 × 8,351.40
  4. Step 4: Simplify right side
    34,646.70x = 434,021,923.94
  5. Step 5: Solve for x
    x = 434,021,923.94/34,646.70
  6. Step 6: Final answer
    x = 12,527.08

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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.