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Finding the Fourth Proportional to 48,677.90, 72,918.43 and 37,546.07

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Solution

The fourth proportional to 48,677.90, 72,918.43 and 37,546.07 is: 56,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,677.90 : 72,918.43 = 37,546.07 : x
  2. Step 2: Convert to fraction form
    48,677.90/72,918.43 = 37,546.07/x
  3. Step 3: Cross multiply
    48,677.90x = 72,918.43 × 37,546.07
  4. Step 4: Simplify right side
    48,677.90x = 2,737,800,018.61
  5. Step 5: Solve for x
    x = 2,737,800,018.61/48,677.90
  6. Step 6: Final answer
    x = 56,243.19

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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.