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Finding the Fourth Proportional to 43,807.70, 65,711.55 and 16,102.10

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Solution

The fourth proportional to 43,807.70, 65,711.55 and 16,102.10 is: 24,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.70 : 65,711.55 = 16,102.10 : x
  2. Step 2: Convert to fraction form
    43,807.70/65,711.55 = 16,102.10/x
  3. Step 3: Cross multiply
    43,807.70x = 65,711.55 × 16,102.10
  4. Step 4: Simplify right side
    43,807.70x = 1,058,093,949.26
  5. Step 5: Solve for x
    x = 1,058,093,949.26/43,807.70
  6. Step 6: Final answer
    x = 24,153.15

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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.