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Finding the Fourth Proportional to 8,499.50, 12,749.97 and 2,343.50

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Solution

The fourth proportional to 8,499.50, 12,749.97 and 2,343.50 is: 3,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.50 : 12,749.97 = 2,343.50 : x
  2. Step 2: Convert to fraction form
    8,499.50/12,749.97 = 2,343.50/x
  3. Step 3: Cross multiply
    8,499.50x = 12,749.97 × 2,343.50
  4. Step 4: Simplify right side
    8,499.50x = 29,879,554.70
  5. Step 5: Solve for x
    x = 29,879,554.70/8,499.50
  6. Step 6: Final answer
    x = 3,515.45

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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.