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Finding the Fourth Proportional to 55,820.48, 83,738.88 and 16,372.40

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Solution

The fourth proportional to 55,820.48, 83,738.88 and 16,372.40 is: 24,560.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,820.48 : 83,738.88 = 16,372.40 : x
  2. Step 2: Convert to fraction form
    55,820.48/83,738.88 = 16,372.40/x
  3. Step 3: Cross multiply
    55,820.48x = 83,738.88 × 16,372.40
  4. Step 4: Simplify right side
    55,820.48x = 1,371,006,020.22
  5. Step 5: Solve for x
    x = 1,371,006,020.22/55,820.48
  6. Step 6: Final answer
    x = 24,560.99

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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.