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Finding the Fourth Proportional to 50,576.63, 75,874.68 and 19,409.45

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Solution

The fourth proportional to 50,576.63, 75,874.68 and 19,409.45 is: 29,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,576.63 : 75,874.68 = 19,409.45 : x
  2. Step 2: Convert to fraction form
    50,576.63/75,874.68 = 19,409.45/x
  3. Step 3: Cross multiply
    50,576.63x = 75,874.68 × 19,409.45
  4. Step 4: Simplify right side
    50,576.63x = 1,472,685,428.35
  5. Step 5: Solve for x
    x = 1,472,685,428.35/50,576.63
  6. Step 6: Final answer
    x = 29,117.91

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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.