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Finding the Fourth Proportional to 12,282.50, 16,949.85 and 6,693.50

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Solution

The fourth proportional to 12,282.50, 16,949.85 and 6,693.50 is: 9,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.50 : 16,949.85 = 6,693.50 : x
  2. Step 2: Convert to fraction form
    12,282.50/16,949.85 = 6,693.50/x
  3. Step 3: Cross multiply
    12,282.50x = 16,949.85 × 6,693.50
  4. Step 4: Simplify right side
    12,282.50x = 113,453,820.98
  5. Step 5: Solve for x
    x = 113,453,820.98/12,282.50
  6. Step 6: Final answer
    x = 9,237.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.