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Finding the Fourth Proportional to 23,984, 35,954.40 and 12,881.60

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Solution

The fourth proportional to 23,984, 35,954.40 and 12,881.60 is: 19,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,984 : 35,954.40 = 12,881.60 : x
  2. Step 2: Convert to fraction form
    23,984/35,954.40 = 12,881.60/x
  3. Step 3: Cross multiply
    23,984x = 35,954.40 × 12,881.60
  4. Step 4: Simplify right side
    23,984x = 463,150,199.04
  5. Step 5: Solve for x
    x = 463,150,199.04/23,984
  6. Step 6: Final answer
    x = 19,310.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.