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Finding the Fourth Proportional to 48,588.88, 72,904.50 and 17,021.62

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Solution

The fourth proportional to 48,588.88, 72,904.50 and 17,021.62 is: 25,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,588.88 : 72,904.50 = 17,021.62 : x
  2. Step 2: Convert to fraction form
    48,588.88/72,904.50 = 17,021.62/x
  3. Step 3: Cross multiply
    48,588.88x = 72,904.50 × 17,021.62
  4. Step 4: Simplify right side
    48,588.88x = 1,240,952,695.29
  5. Step 5: Solve for x
    x = 1,240,952,695.29/48,588.88
  6. Step 6: Final answer
    x = 25,539.85

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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.