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Finding the Fourth Proportional to 50,790.60, 70,081.68 and 29,576.76

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Solution

The fourth proportional to 50,790.60, 70,081.68 and 29,576.76 is: 40,810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,790.60 : 70,081.68 = 29,576.76 : x
  2. Step 2: Convert to fraction form
    50,790.60/70,081.68 = 29,576.76/x
  3. Step 3: Cross multiply
    50,790.60x = 70,081.68 × 29,576.76
  4. Step 4: Simplify right side
    50,790.60x = 2,072,789,029.76
  5. Step 5: Solve for x
    x = 2,072,789,029.76/50,790.60
  6. Step 6: Final answer
    x = 40,810.49

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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.