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Finding the Fourth Proportional to 11,641.50, 16,065.27 and 6,673.50

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Solution

The fourth proportional to 11,641.50, 16,065.27 and 6,673.50 is: 9,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.50 : 16,065.27 = 6,673.50 : x
  2. Step 2: Convert to fraction form
    11,641.50/16,065.27 = 6,673.50/x
  3. Step 3: Cross multiply
    11,641.50x = 16,065.27 × 6,673.50
  4. Step 4: Simplify right side
    11,641.50x = 107,211,579.35
  5. Step 5: Solve for x
    x = 107,211,579.35/11,641.50
  6. Step 6: Final answer
    x = 9,209.43

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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.