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Finding the Fourth Proportional to 48,369.90, 72,532.98 and 17,205.96

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Solution

The fourth proportional to 48,369.90, 72,532.98 and 17,205.96 is: 25,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,369.90 : 72,532.98 = 17,205.96 : x
  2. Step 2: Convert to fraction form
    48,369.90/72,532.98 = 17,205.96/x
  3. Step 3: Cross multiply
    48,369.90x = 72,532.98 × 17,205.96
  4. Step 4: Simplify right side
    48,369.90x = 1,247,999,552.56
  5. Step 5: Solve for x
    x = 1,247,999,552.56/48,369.90
  6. Step 6: Final answer
    x = 25,801.16

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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.