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Finding the Fourth Proportional to 16,641.16, 22,968.72 and 9,571.66

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Solution

The fourth proportional to 16,641.16, 22,968.72 and 9,571.66 is: 13,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641.16 : 22,968.72 = 9,571.66 : x
  2. Step 2: Convert to fraction form
    16,641.16/22,968.72 = 9,571.66/x
  3. Step 3: Cross multiply
    16,641.16x = 22,968.72 × 9,571.66
  4. Step 4: Simplify right side
    16,641.16x = 219,848,778.48
  5. Step 5: Solve for x
    x = 219,848,778.48/16,641.16
  6. Step 6: Final answer
    x = 13,211.15

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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.