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Finding the Fourth Proportional to 43,411.95, 59,836.32 and 39,647.88

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Solution

The fourth proportional to 43,411.95, 59,836.32 and 39,647.88 is: 54,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,411.95 : 59,836.32 = 39,647.88 : x
  2. Step 2: Convert to fraction form
    43,411.95/59,836.32 = 39,647.88/x
  3. Step 3: Cross multiply
    43,411.95x = 59,836.32 × 39,647.88
  4. Step 4: Simplify right side
    43,411.95x = 2,372,383,235.00
  5. Step 5: Solve for x
    x = 2,372,383,235.00/43,411.95
  6. Step 6: Final answer
    x = 54,648.16

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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.