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Finding the Fourth Proportional to 39,473.65, 54,472.99 and 21,568.27

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Solution

The fourth proportional to 39,473.65, 54,472.99 and 21,568.27 is: 29,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,473.65 : 54,472.99 = 21,568.27 : x
  2. Step 2: Convert to fraction form
    39,473.65/54,472.99 = 21,568.27/x
  3. Step 3: Cross multiply
    39,473.65x = 54,472.99 × 21,568.27
  4. Step 4: Simplify right side
    39,473.65x = 1,174,888,156.03
  5. Step 5: Solve for x
    x = 1,174,888,156.03/39,473.65
  6. Step 6: Final answer
    x = 29,763.86

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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.