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Finding the Fourth Proportional to 23,661.84, 32,652.90 and 12,906.81

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Solution

The fourth proportional to 23,661.84, 32,652.90 and 12,906.81 is: 17,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,661.84 : 32,652.90 = 12,906.81 : x
  2. Step 2: Convert to fraction form
    23,661.84/32,652.90 = 12,906.81/x
  3. Step 3: Cross multiply
    23,661.84x = 32,652.90 × 12,906.81
  4. Step 4: Simplify right side
    23,661.84x = 421,444,776.25
  5. Step 5: Solve for x
    x = 421,444,776.25/23,661.84
  6. Step 6: Final answer
    x = 17,811.16

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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.