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Finding the Fourth Proportional to 55,690.70, 83,539.69 and 16,244.50

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Solution

The fourth proportional to 55,690.70, 83,539.69 and 16,244.50 is: 24,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690.70 : 83,539.69 = 16,244.50 : x
  2. Step 2: Convert to fraction form
    55,690.70/83,539.69 = 16,244.50/x
  3. Step 3: Cross multiply
    55,690.70x = 83,539.69 × 16,244.50
  4. Step 4: Simplify right side
    55,690.70x = 1,357,060,494.21
  5. Step 5: Solve for x
    x = 1,357,060,494.21/55,690.70
  6. Step 6: Final answer
    x = 24,367.81

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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.