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Finding the Fourth Proportional to 48,409.52, 72,596.88 and 17,238.56

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Solution

The fourth proportional to 48,409.52, 72,596.88 and 17,238.56 is: 25,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,409.52 : 72,596.88 = 17,238.56 : x
  2. Step 2: Convert to fraction form
    48,409.52/72,596.88 = 17,238.56/x
  3. Step 3: Cross multiply
    48,409.52x = 72,596.88 × 17,238.56
  4. Step 4: Simplify right side
    48,409.52x = 1,251,465,671.69
  5. Step 5: Solve for x
    x = 1,251,465,671.69/48,409.52
  6. Step 6: Final answer
    x = 25,851.64

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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.