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Finding the Fourth Proportional to 14,639, 21,958.50 and 4,250.84

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Solution

The fourth proportional to 14,639, 21,958.50 and 4,250.84 is: 6,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639 : 21,958.50 = 4,250.84 : x
  2. Step 2: Convert to fraction form
    14,639/21,958.50 = 4,250.84/x
  3. Step 3: Cross multiply
    14,639x = 21,958.50 × 4,250.84
  4. Step 4: Simplify right side
    14,639x = 93,342,070.14
  5. Step 5: Solve for x
    x = 93,342,070.14/14,639
  6. Step 6: Final answer
    x = 6,376.26

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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.