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Finding the Fourth Proportional to 39,576.65, 54,624.03 and 36,384.89

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Solution

The fourth proportional to 39,576.65, 54,624.03 and 36,384.89 is: 50,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,576.65 : 54,624.03 = 36,384.89 : x
  2. Step 2: Convert to fraction form
    39,576.65/54,624.03 = 36,384.89/x
  3. Step 3: Cross multiply
    39,576.65x = 54,624.03 × 36,384.89
  4. Step 4: Simplify right side
    39,576.65x = 1,987,489,322.91
  5. Step 5: Solve for x
    x = 1,987,489,322.91/39,576.65
  6. Step 6: Final answer
    x = 50,218.74

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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.