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Finding the Fourth Proportional to 23,571.84, 32,528.84 and 12,960.84

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Solution

The fourth proportional to 23,571.84, 32,528.84 and 12,960.84 is: 17,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,571.84 : 32,528.84 = 12,960.84 : x
  2. Step 2: Convert to fraction form
    23,571.84/32,528.84 = 12,960.84/x
  3. Step 3: Cross multiply
    23,571.84x = 32,528.84 × 12,960.84
  4. Step 4: Simplify right side
    23,571.84x = 421,601,090.63
  5. Step 5: Solve for x
    x = 421,601,090.63/23,571.84
  6. Step 6: Final answer
    x = 17,885.79

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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.