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Finding the Fourth Proportional to 43,218, 59,640.84 and 24,355.80

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Solution

The fourth proportional to 43,218, 59,640.84 and 24,355.80 is: 33,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,218 : 59,640.84 = 24,355.80 : x
  2. Step 2: Convert to fraction form
    43,218/59,640.84 = 24,355.80/x
  3. Step 3: Cross multiply
    43,218x = 59,640.84 × 24,355.80
  4. Step 4: Simplify right side
    43,218x = 1,452,600,370.87
  5. Step 5: Solve for x
    x = 1,452,600,370.87/43,218
  6. Step 6: Final answer
    x = 33,611.00

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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.