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Finding the Fourth Proportional to 25,651.81, 35,400.09 and 16,092.10

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Solution

The fourth proportional to 25,651.81, 35,400.09 and 16,092.10 is: 22,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.81 : 35,400.09 = 16,092.10 : x
  2. Step 2: Convert to fraction form
    25,651.81/35,400.09 = 16,092.10/x
  3. Step 3: Cross multiply
    25,651.81x = 35,400.09 × 16,092.10
  4. Step 4: Simplify right side
    25,651.81x = 569,661,802.37
  5. Step 5: Solve for x
    x = 569,661,802.37/25,651.81
  6. Step 6: Final answer
    x = 22,207.47

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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.