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Finding the Fourth Proportional to 39,576, 54,614.88 and 22,810.08

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Solution

The fourth proportional to 39,576, 54,614.88 and 22,810.08 is: 31,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,576 : 54,614.88 = 22,810.08 : x
  2. Step 2: Convert to fraction form
    39,576/54,614.88 = 22,810.08/x
  3. Step 3: Cross multiply
    39,576x = 54,614.88 × 22,810.08
  4. Step 4: Simplify right side
    39,576x = 1,245,769,781.99
  5. Step 5: Solve for x
    x = 1,245,769,781.99/39,576
  6. Step 6: Final answer
    x = 31,477.91

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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.