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Finding the Fourth Proportional to 48,625.97, 72,909.77 and 19,008.50

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Solution

The fourth proportional to 48,625.97, 72,909.77 and 19,008.50 is: 28,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,625.97 : 72,909.77 = 19,008.50 : x
  2. Step 2: Convert to fraction form
    48,625.97/72,909.77 = 19,008.50/x
  3. Step 3: Cross multiply
    48,625.97x = 72,909.77 × 19,008.50
  4. Step 4: Simplify right side
    48,625.97x = 1,385,905,046.02
  5. Step 5: Solve for x
    x = 1,385,905,046.02/48,625.97
  6. Step 6: Final answer
    x = 28,501.34

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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.