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Finding the Fourth Proportional to 51,179.99, 70,628.49 and 29,673.88

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Solution

The fourth proportional to 51,179.99, 70,628.49 and 29,673.88 is: 40,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.99 : 70,628.49 = 29,673.88 : x
  2. Step 2: Convert to fraction form
    51,179.99/70,628.49 = 29,673.88/x
  3. Step 3: Cross multiply
    51,179.99x = 70,628.49 × 29,673.88
  4. Step 4: Simplify right side
    51,179.99x = 2,095,821,160.27
  5. Step 5: Solve for x
    x = 2,095,821,160.27/51,179.99
  6. Step 6: Final answer
    x = 40,950.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.