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Finding the Fourth Proportional to 48,473.84, 72,650.28 and 17,274.80

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Solution

The fourth proportional to 48,473.84, 72,650.28 and 17,274.80 is: 25,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,473.84 : 72,650.28 = 17,274.80 : x
  2. Step 2: Convert to fraction form
    48,473.84/72,650.28 = 17,274.80/x
  3. Step 3: Cross multiply
    48,473.84x = 72,650.28 × 17,274.80
  4. Step 4: Simplify right side
    48,473.84x = 1,255,019,056.94
  5. Step 5: Solve for x
    x = 1,255,019,056.94/48,473.84
  6. Step 6: Final answer
    x = 25,890.65

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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.