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Finding the Fourth Proportional to 48,977, 67,588.80 and 26,621

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Solution

The fourth proportional to 48,977, 67,588.80 and 26,621 is: 36,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,977 : 67,588.80 = 26,621 : x
  2. Step 2: Convert to fraction form
    48,977/67,588.80 = 26,621/x
  3. Step 3: Cross multiply
    48,977x = 67,588.80 × 26,621
  4. Step 4: Simplify right side
    48,977x = 1,799,281,444.80
  5. Step 5: Solve for x
    x = 1,799,281,444.80/48,977
  6. Step 6: Final answer
    x = 36,737.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.