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Finding the Fourth Proportional to 53,339.66, 80,026.78 and 25,639.82

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Solution

The fourth proportional to 53,339.66, 80,026.78 and 25,639.82 is: 38,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,339.66 : 80,026.78 = 25,639.82 : x
  2. Step 2: Convert to fraction form
    53,339.66/80,026.78 = 25,639.82/x
  3. Step 3: Cross multiply
    53,339.66x = 80,026.78 × 25,639.82
  4. Step 4: Simplify right side
    53,339.66x = 2,051,872,234.38
  5. Step 5: Solve for x
    x = 2,051,872,234.38/53,339.66
  6. Step 6: Final answer
    x = 38,468.04

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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.