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Finding the Fourth Proportional to 25,743.99, 38,612.00 and 7,025.51

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Solution

The fourth proportional to 25,743.99, 38,612.00 and 7,025.51 is: 10,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.99 : 38,612.00 = 7,025.51 : x
  2. Step 2: Convert to fraction form
    25,743.99/38,612.00 = 7,025.51/x
  3. Step 3: Cross multiply
    25,743.99x = 38,612.00 × 7,025.51
  4. Step 4: Simplify right side
    25,743.99x = 271,268,763.93
  5. Step 5: Solve for x
    x = 271,268,763.93/25,743.99
  6. Step 6: Final answer
    x = 10,537.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.