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Finding the Fourth Proportional to 25,221.97, 34,813.97 and 14,614.21

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Solution

The fourth proportional to 25,221.97, 34,813.97 and 14,614.21 is: 20,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221.97 : 34,813.97 = 14,614.21 : x
  2. Step 2: Convert to fraction form
    25,221.97/34,813.97 = 14,614.21/x
  3. Step 3: Cross multiply
    25,221.97x = 34,813.97 × 14,614.21
  4. Step 4: Simplify right side
    25,221.97x = 508,778,668.51
  5. Step 5: Solve for x
    x = 508,778,668.51/25,221.97
  6. Step 6: Final answer
    x = 20,172.04

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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.