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Finding the Fourth Proportional to 28,597.88, 42,839.39 and 16,099.18

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Solution

The fourth proportional to 28,597.88, 42,839.39 and 16,099.18 is: 24,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597.88 : 42,839.39 = 16,099.18 : x
  2. Step 2: Convert to fraction form
    28,597.88/42,839.39 = 16,099.18/x
  3. Step 3: Cross multiply
    28,597.88x = 42,839.39 × 16,099.18
  4. Step 4: Simplify right side
    28,597.88x = 689,679,050.70
  5. Step 5: Solve for x
    x = 689,679,050.70/28,597.88
  6. Step 6: Final answer
    x = 24,116.44

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1.5x scale

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.