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Finding the Fourth Proportional to 57,599.40, 86,399.10 and 16,046.40

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Solution

The fourth proportional to 57,599.40, 86,399.10 and 16,046.40 is: 24,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,599.40 : 86,399.10 = 16,046.40 : x
  2. Step 2: Convert to fraction form
    57,599.40/86,399.10 = 16,046.40/x
  3. Step 3: Cross multiply
    57,599.40x = 86,399.10 × 16,046.40
  4. Step 4: Simplify right side
    57,599.40x = 1,386,394,518.24
  5. Step 5: Solve for x
    x = 1,386,394,518.24/57,599.40
  6. Step 6: Final answer
    x = 24,069.60

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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.