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Finding the Fourth Proportional to 16,762.50, 25,143.75 and 4,450.50

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Solution

The fourth proportional to 16,762.50, 25,143.75 and 4,450.50 is: 6,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.50 : 25,143.75 = 4,450.50 : x
  2. Step 2: Convert to fraction form
    16,762.50/25,143.75 = 4,450.50/x
  3. Step 3: Cross multiply
    16,762.50x = 25,143.75 × 4,450.50
  4. Step 4: Simplify right side
    16,762.50x = 111,902,259.38
  5. Step 5: Solve for x
    x = 111,902,259.38/16,762.50
  6. Step 6: Final answer
    x = 6,675.75

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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.