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Finding the Fourth Proportional to 48,405.96, 72,623.52 and 17,237.16

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Solution

The fourth proportional to 48,405.96, 72,623.52 and 17,237.16 is: 25,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,405.96 : 72,623.52 = 17,237.16 : x
  2. Step 2: Convert to fraction form
    48,405.96/72,623.52 = 17,237.16/x
  3. Step 3: Cross multiply
    48,405.96x = 72,623.52 × 17,237.16
  4. Step 4: Simplify right side
    48,405.96x = 1,251,823,234.00
  5. Step 5: Solve for x
    x = 1,251,823,234.00/48,405.96
  6. Step 6: Final answer
    x = 25,860.93

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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.