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Finding the Fourth Proportional to 25,629.39, 38,440.04 and 8,095.32

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Solution

The fourth proportional to 25,629.39, 38,440.04 and 8,095.32 is: 12,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.39 : 38,440.04 = 8,095.32 : x
  2. Step 2: Convert to fraction form
    25,629.39/38,440.04 = 8,095.32/x
  3. Step 3: Cross multiply
    25,629.39x = 38,440.04 × 8,095.32
  4. Step 4: Simplify right side
    25,629.39x = 311,184,384.14
  5. Step 5: Solve for x
    x = 311,184,384.14/25,629.39
  6. Step 6: Final answer
    x = 12,141.70

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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.