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Finding the Fourth Proportional to 16,950.87, 25,428.74 and 6,424.74

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Solution

The fourth proportional to 16,950.87, 25,428.74 and 6,424.74 is: 9,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,950.87 : 25,428.74 = 6,424.74 : x
  2. Step 2: Convert to fraction form
    16,950.87/25,428.74 = 6,424.74/x
  3. Step 3: Cross multiply
    16,950.87x = 25,428.74 × 6,424.74
  4. Step 4: Simplify right side
    16,950.87x = 163,373,010.90
  5. Step 5: Solve for x
    x = 163,373,010.90/16,950.87
  6. Step 6: Final answer
    x = 9,638.03

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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.